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
___________ a sportsman is a hard job, but you are very excited if you are successful in ____________a good medal.
A. To be, get B. Being, getting C. Being, to get D. To be, to get
---Which do you like ___________ , apples or pears?
--- I like pears.
A. best B. good C. well D. better
