一、单句语法填空
1. He looked so hungry as though he _________（not eat）a decent meal for a month.
2. was caught in a traffic jam for over an hour, otherwise，I ___________ （not keep）you waiting for such a long time.
3. David didn't attend his daughter's graduation ceremony, but he does wish he_________ （be）there.
4. I am sorry I am very busy now. If I___________（have）time, I would certainly go to the movies with you.
5. The head teacher demanded that the paper （finish）after class.
6. How I wish I ___________（have）the chance to watch the football games with my father, who was a reporter there.
7. There was a lot of fun at yesterday' s party. You __________（come）, but why didn't you？
8. Antarctica is so mystically described by some people. If only I __________（be）there！
9._________ it rain tomorrow, we would have to cancel the football match.
10.（2018·北京高考）They might have found better hotel if they__________ （drive）a few more kilometers.
11.（2018·天津高考）I can't find my purse. I ______________（leave) it in the supermarket yesterday, but I'm not sure.
12.（2018·天津高考）If we __________（catch）the flight yesterday, we would be enjoying our holiday on the beach
13.（2018·江苏高考）It's strange that he ___________have taken the books without the owner' s permission.
14.（2018·江苏高考）There is good social life in the village, and wish I _________ (have)a second chance to become more involved.
15.（2017·江苏高考）________ (not be) it not for the support of the teachers, the student could not overcome her difficulty.
16.（2018·河北唐山一次调研）Knowing his son's death could _________(avoid) if he had only called the doctor, he always felt he was guilty.
17.（2016·浙江高考）_____________ (have) the governments and scientists not worked together, AIDS-related deaths would not have fallen since their highest in 2005.
18.（2016·北京高考）Why didn't you tell me about your trouble last week? If you ________(tell) me, I could have helped.
19.（2017·天津高考）-Do you have Betty's phone number？
--Yes. Otherwise，I ___________（be) able to reach her yesterday.
20.（2017·北京高考）If the new safety system __________(put) into use, the accident would never have happened .
21.（2019·郑州质检）Today I am very busy. I would rather that you__________ (come)tomorrow.
22.（2019·昆明市高三摸底调研When Muir discovered the Yosemite Valley in the Sierra Nevadas, it was as if he____________(come) home.
23.（2018·安徽六校高三第二次联考）But for your error，it__________ (be)easier for you to pass the driving test. After all, you had high-quality training.
24.（2018·黑龙江双鸭山一中期中）I really thank you for your help. Without it I _____( not succeed)in finding my lost key.
25. It's high time we _________ (start) the meeting.
二、单句改错
1. If he studies at this school, he would know you well.
2. The order came that the medical supplies are sent to the countryside.
3. Has he learnt about computers, we would have hired him to work here.
4. If we booked table earlier, we wouldn't be standing here in a queue.
5. He commanded that roads built to link castles across the land.
6. I wish I was a bird and could fly freely in the blue sky.
7. You need have studied that late last night. It was harmful to your health.
8. We can have visited Peking University, but we spent too much time shopping.
9.（2016·全国卷Ⅱ）Some classmates suggest we can go to places of interest nearby.
10.（2018·吉林月考）I advised the person badly wounded sent to hospital.
11.（2019·邯郸模拟)Thank you for your coming to help me tidy up my room, otherwise everything will be in a mess.
12.（2018·桂林月考）My uncle is in poor health so the doctor strongly recommended that he takes a holiday.
13.（2018·洛阳月考）It's so bad that I failed in the final exam. If only worked hard at it！
14.（2018·宜昌月考）If you told me that eating too many plums is not good for our health earlier, I wouldn't have a stomachache now.
15.（2018·银川模拟）She is always talking as though she knows everything under the sun.
16.（2019·安徽皖南八校联考）If he should not come tomorrow, we put off the meeting till next Wednesday.。