This pair of trousers looks very nice. Can I _______?
| A．try on it | B． try on them |
| C．try it on | D．try them on |
I have______ to tell you.
A. anything exciting
B. exciting something
C. something exciting
-______are you staying there? -Just for two days.
A. How often B. When C. How long
He leaves ____________ school at half past six.
A. for B to C. In
He is thinking ____________ going to France or Spain for vacation.
A. of B about C. to
He sometimes studies late ____________ 2 am.
A. at B in C until