If ________ in wet sand, vegetables can remain fresh for a long time.
A. being buried B. having buried C. buried D. burying
So difficult _______ it to acquire a large vocabulary without the help of a teacher that he was close to giving up.
A. he have left B. have he felt C. he did felt D. did he feel
It is great fun to visit Disneyland. Just _________ playing with those cartoon characters you watch on TV.
A. to imagine B. imaging C. have imaged D. imagine
It was strange that you ______ for Maggie’s address. I just got a letter from her---the first one since her family moved on August 31, 1999.
A. should have asked B. would have asked C. shall ask D. might ask
We ______ at a very attractive hotel on the way back from Paris.
A. put up B. dropped out C. took in D. picked up
Male and female students are quite different from each other______ the age at which they begin to develop an intellectual self-discipline.
A. with regard to B. in the light of C. in honor to D. on account of