I can't find the key to my office.I c have lost it on my way home.

A.Instead of 代替不是而是 B.Because of C.As for 关于至于 D.due to由于应归于

A.should do B.did C.have done D.had done

A.when B.where C.what D.how

A.promise允诺希望 B.propose建议打算计划求婚 C.book 登记预订 D.check检查制止

A.shall be brought B.will be brought

C.would be brought D.be brought

A .is B.are C.be D.would

A.in which B.on which C.for which D.at which

A. three times B. three times as much as C. three times as much D. three times much as

A. as old as B. is old than C. that is as old as D. is as old as

A an art much as B. much an art as C. as an art much as D. as much an art as