20.How close parents are to their children a strong influence on the character of the children. .have B.has C.having D.to have 2 the explosion in the sale of personal computers,people spent a lot more time using typewriters A.Succeeding B.Due to C.At the time of D.Prior to 22.Tom has impressed his employers considerably andhe is soon to be promoted. A nevertheless B accordingly C.however D.may well 23.John's e c A.He should go over the lessons B.He should have gone over the lessons C.He must have gone over the lessons D.He had to go over the lessons 24.As a result of the radio for help for the earthquake victims,over a million pounds has been raised. C.advice 25.1om5 D.wave clever,but Peter is stupid A.rather.quite B.fairly.rather C.fairly.quite D.rather.fairly 26.Of the two T-shirts.I chose A.the less expensive C.the least expensive D.the lea 27.I will overlook so cruel to my sister this time but don't let it happen again A.you to be B.your being C you to have been D.you having been 28.Killing frosts occur when moisture plant cell freezes C with D.nearby 29.They entered which was for almost ten years A.kept on B.kept to C.kept up D.kept up with 30.The lady didn't know how to cope the complicated situation. A.in B.by C.at D.with 20. How close parents are to their children _ a strong influence on the character of the children. A. have B. has C. having D. to have 21. _ the explosion in the sale of personal computers, people spent a lot more time using typewriters. A. Succeeding B. Due to C. At the time of D. Prior to 22. Tom has impressed his employers considerably and _ he is soon to be promoted. A. nevertheless B. accordingly C. however D. may as well 23. John’sscore on the test is the highest in the class. _ last night. A. He should go over the lessons B. He should have gone over the lessons C. He must have gone over the lessons .D. He had to go over the lessons 24. As a result of the radio _ for help for the earthquake victims, over a million pounds has been raised. A. appeal B. station C. advice D. wave 25. Tom is _ clever, but Peter is _ stupid. A. rather.quite B. fairly.rather C. fairly.quite D. rather.fairly 26. Of the two T-shirts, I chose _. A. the less expensive .B. the one least expensive C. the least expensive D. the least expensive of them 27. I will overlook _ so cruel to my sister this time but don’t let it happen again. A. you to be B. your being C. you to have been D. you having been 28. Killing frosts occur when moisture _ plant cell freezes. A. within B. surrounding C. with D. nearby 29. They entered into a correspondence which was _ for almost ten years. A. kept on B. kept to C. kept up D. kept up with 30. The lady didn’t know how to cope _ the complicated situation. A. in B. by C. at D. with