1、Unit 21Period Three.语法填空1He hesitated for a moment before kicking the ball；otherwise，he_(score) a goal.2But for the Party，he_(die) of hunger 15 years ago.3I_(go) to visit him in the hospital，but I was fully occupied the whole of last week.4If I knew her telephone number，I_(give) her a ring now.5If y
2、ou_(be) not free tomorrow, we will set another day to have a chat.6If the moon_(go) near the earth, the tide goes high. 7If it_(stop) raining later this afternoon, we will eat out.8Who do you suggest_(send)there to cover the accident?9He demanded that the classroom_(clean) at once.10Here is some mon
3、ey in case you_(need) it.11It will be better that we_(meet) at the gate of the park.12He came to my class every week, but his attitude suggested he_(be not) really interested in the subject.13I should not have visited the gallery if I_(know) it was closed.14If you had adopted my advice, you_(avoid)
4、making the ridiculous mistake now.15He_(go) to my cousins caf last night, but he was too busy.16If I were you, I_(lend) him a hand to learn geometry now.17I_(finish) the homework on time if I hadnt been ill yesterday.18He insisted that he_(do) nothing wrong and that he_(set)free. 19His pale face sug
5、gested that he_(be) weak and we suggested that he_(send) to the hospital.20The librarian is going to talk about poems, but Id rather he_(focus) more on painting.【答案】1.would have scored2.would have died3would have gone4.would give5.are6.goes7stops8.be sent9.be cleaned10.need11.meet12.was not13.had kn
6、own14.would avoid15would have gone16.would lend17would have finished18had done; (should) be set19was; (should) be sent20.focused.句型转换1If I were you, I would go to look for him._， I would go to look for him.2If he were here, everything would be all right._， everything would be all right.3If you had c
7、ome earlier, you would have met him._， you would have met him.4The general ordered all the soldiers to get up early and move on.The general ordered that all the soldiers_.5It is necessary for us to study English well.It is necessary that_.6If I had taken his advice, I wouldnt have made such a mistak
8、e._I_， I wouldnt have made such a mistake.7I wish you not to interrupt when Im talking on the phone.I wish that_when Im talking on the phone.8They took the injured straight to the hospital and some of them were saved.They took the injured straight to the hospital; otherwise，some of them_.【答案】1.Were
9、I you2Were he here3Had you come earlier4(should)get up early and move on5we should study English well6Had; taken his advice7you would not interrupt8would have been dead. 用虚拟语气改写下列句子1We want to buy a computer，but we dont have enough money._2John hurt his leg.John didnt win the race._3With my brothers
10、 help，I finished my job.(用but for改写)_【答案】1If we had enough money，we would buy a computer.2If John hadnt hurt his leg，he would have won the race.3But for my brothers help，I wouldnt have finished my job.完成句子1如果没有水，就不会有生命。Without water，there _ _ no life.2要不是开会，那时候我早就回家了。But for the meeting，I _ _ _ _ at
11、 the time. 3要是及时得知的话，我们也许能阻止这场事故。_ _ in time，we might have prevented the accident.4如果多留心的话，这棵树本来可以长得更好。_ more attention，the tree could have grown better.5我当时太忙，否则我就给你打电话了。I was too busy at that time，otherwise，I _ _ _ you.【答案】1.would be2.would have gone home3Having known4.Given5.would have called.单句改错1If all the guests had arrived on time, the host will not have felt unhappy._2If my husband is a woman, he would understand my feelings a bit better._3Shall it rain, the crops would be saved._【答案】1.will改为would2is改为were3Shall改为Should
