12.Turn on the television or open a magazine and showing happy,balanced families. A.are often seeing B.oftensee C.will often see D.have often seen 13.You will want two trees about ten feet apart,fromto suspend your tent. A.there B.them C.which D.where 14.I walked too much yesterday and are still aching now A.my leg's muscles B.my muscles of leg C.my leg muscles D.my muscles of the leg 15.The student was just about to. _the question,when suddenly he found the answer A.arrived at B.submit to C.work out D.give up 16.This ticket you to a free meal in our new restaurant. A.gives B.grants C.entitles D.credits 17.Mary was s0」 in her job that she didn't hear anybody knocking at the door. A.attracted B.absorbed C.drawn D.concentrated 18.The manager needs an assistant that he canto take care of problems in his absence. A.counton B.count in C.count up D.count out 19.They took_ _measures to prevent poisonous gases fromescaping. A.fruitful B.beneficial C.valid D.effective 20.It is quite necessary for a qualified teacher to have good manners and _knowledge A.extensive B.expansive C.intensive D.expensive 21.Our son doesn't know what to at the university:he can't make up his mind about his future A.take in B.take up C.take over D.take after 22.I have heard both teachers and studentswell of him. A.to speak B.spoken C.to have spoken D.speak 23Although they plant trees in this area every year.the top of some hills are still A.blank B.hollow C.vacant D.bare 12.Turn on the television or open a magazine and you _advertisement showing happy,balanced families. A. are often seeing B. often see C. will often see D. have often seen 13.You will want two trees about ten feet apart,from_to suspend your tent. A. there B. them C. which D. where 14.I walked too much yesterday and _are still aching now. A. my leg's muscles B. my muscles of leg C. my leg muscles D. my muscles of the leg 15.The student was just about to _the question,when suddenly he found the answer. A. arrived at B. submit to C. work out D. give up 16.This ticket_you to a free meal in our new restaurant. A. gives B. grants C. entitles D. credits 17.Mary was so _in her job that she didn't hear anybody knocking at the door. A. attracted B. absorbed C. drawn D. concentrated 18.The manager needs an assistant that he can _to take care of problems in his absence. A. count on B. count in C. count up D. count out 19.They took _measures to prevent poisonous gases from escaping. A. fruitful B. beneficial C. valid D. effective 20.It is quite necessary for a qualified teacher to have good manners and _knowledge. A. extensive B. expansive C. intensive D. expensive 21.Our son doesn't know what to _ at the university; he can't make up his mind about his future. A. take in B. take up C. take over D. take after 22. I have heard both teachers and students _ well of him. A. to speak B. spoken C. to have spoken D. speak 23.Although they plant trees in this area every year, the top of some hills are still _ . A. blank B. hollow C. vacant D.bare