---Do remember to charge the battery for 12 hours when you first use it.
--- ________.
A. Thank you, I remember. B. What for C. Up to you D. Got it
The cause he had devoted himself ________ a perfect success.
A. to proved B. proved C. to prove D. to proving
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
