Though the player is over forty, he can run ___________ some younger players.
A. much fast than B. more faster than C. so fast as D. as fast as
Don’t ___________ your dictionary all the time when you meet new words.
A. work on B. take on C. depend on D. keep on
It is difficult __________ you ___________ finish the work in a week.
A. of, to B. with, to C. with, for D. for, to
I can’t understand ____________ the boy alone.
A. why did she leave B. why had she left C. why she left D. why she had left
They asked many questions ___________ had nothing to do with that topic.
A. which B. who C. where D. when
_____________ is necessary __________ he trains himself before the Guangzhou Marathon.
A. This, 不填 B. The, 不填 C. It, that D. This, that