Check Your Progress Ⅰ.用括号中所给单词的适当形式填空 1．Lana _____(buy) a new dress if the old one _____(be) out of style. 2．When I was in the university, my pen friend asked me _____(show) him around the campus. 3．I will give the book to him if he _____(come) here next Sunday. 4．If it _____(not snow) tomorrow, we _____(feel) unhappy. 5．From then on, I made up my mind _____(practise) the piano every day. 6．Please _____(show) me the way if you _____(know) it. 7．You _____(hurt) your teeth if you _____(eat) too much candy. 8．The experience from _____(fail) to success made him grow up. 9．If there _____ fewer trees, there _____ more pollution.(be) 10．I _____(go) to the beach if it _____(not rain) tomorrow. Ⅱ.用方框中所给短语的适当形式填空 in closing above all be able to pass on go through 11．DNA can _____certain characteristics from parents to children. 12．_____， I must tell you that you have failed in the English exam. 13．You mustn't tell others about it. _____， you mustn't tell your son. 14．You will _____succeed in getting there on time if you don't give it up. 15．She smiled at him as he _____ the door. Ⅲ.单项填空 ( )16.You will learn English well _____ you often use it. A．or B．and C．if D．because ( )17.There are no buses, _____ you'll have to walk. A．so B．or C．but D．for ( )18.There will be less pollution _____ more people use public transportation. A．but B．though C．unless D．if ( )19.My parents are always worried about what will happen if I _____． A．succeeded B．won't succeed C．will fail D．fail ( )20.—Does your school hold the raising of the national flag every Monday morning —Yes, _____ it rains heavily. A．if B．since C．because D．unless ( )21.I don't remember _____ the book yesterday. A．where I put B．where did I put C．where will I put D．where I will put ( )22.She says that she'll have to close the shop _____ business improves. A．if B．or C．unless D．because ( )23.—Can you tell me _____ to London —Sure. Next month. A．when you will travel B．when will you travel C．when you travelled D．when did you travel Ⅳ.将下列句子改为含有if引导的条件状语从句的复合句 24．Get enough sleep, and you won't feel tired. _____ _____ _____ _____ _____， you won't feel tired. 25．Think hard, or you won't find a better way. _____ _____ _____ _____ _____， you won't find a better way. 26．You are going to copy others' papers.The teacher won't let you pass the exam. _____ _____ _____ _____ _____， the teacher won't let you pass the exam. 27．I don't do it right now. I'll never do it. _____ _____ _____ _____ _____ _____ _____， I'll never do it. 答案 Ⅰ.1.will buy, is 2.to show 3．comes 4.doesn't snow, will feel 5．to practise 6.show, know 7．will hurt, eat 8.failure 9．are, will be 10.will go, doesn't rain Ⅱ.11.pass on 12.In closing 13．Above all 14.be able to 15．went through Ⅲ.16.C 句意：你如果经常使用英语，就会学好英语。由句意可知，应用if引导条件状语从句。 17．A 句意：没有公共汽车， ... ...
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