I'm sorry to have you waiting so long for Marcia, and I'm afraid it'll be ten minutes she comes back.
A. before B. after C. until
She __________ be here. I saw her come in.
A. can B. may C. should D. must
I was so tired this morning that I couldn’t _______________early as usual.
A. get up B. get on C. get off D. give up
Beijing, ______________ capital of China, has _________________ long history.
A. a, a B. the, 不填 C. the, a D. 不填, the
The teaching building has five floors. My classroom is ______________ the third floor.
A. on B. in C. at D. to
—Open the window please, Mike.
—____________? I didn’t hear what you said.
A. What B. Pardon C. Really D. All right
