A.which　　　　　B.that　　　　　C.what　　　　　D.whether?

A.if　　　　　　　　　　 B.that　　　　　　　　　　C.when　　　　　　　　　　　　D.whether?

A.speaking　　　　　　　　　　B.spoken

C.be spoken　　　　　　　　 D.to speak?

I don't think[1] _________ (人称代词)is good to send teenagers abroad to study.?[2] _________ (Compare)with China's education, [3]foreign education has many problems (改为there be 句型).Some foreign schools are not as good[4] _________ (连词)those of our country in teaching quality.In[5] _________ (指示代词)schools,students can't learn more,and therefore waste a lot of money,[6] _________ (连接词)is a heavy burden to their families.[7]Teenagers are too young to take care of themselves either in their study or in their daily life.(改为so...that...句型) As they don't have the ability to tell right [8] _________ (介词)wrong,and have less necessary help and guidance,some [9] _________ (谓语动词)their interest in studies and [10]even learn something badly to themselves.(改正错误)

A.through　　　　　　　　　　 B.by?

C.over　　　　　　　　　　　　 D.for?

A.you;yourself known　　　　　B.you;you known?

C.he;us known　　　　　　　　　 D.he;himself known

A. after all　　　　　　　　　　B. first of all

C. in all　　　　　　　　　　　　D. at all

A.they had quarreled　　　　　　　　　　　　 B.they have quarreled

C.have they quarreled　　　　　　　　　　　　 D.had they quarreled

A.　did the computer repair?

B.　he repaired the computer?

C.　was the computer repaired?

D.　the computer was repaired?