—Whose shirt is this?
—It ______ be Li Lei’s. It is too big for him.
A. could B. must
C. might D. can’t
Could you tell me ______ the bookshop is?
A.what B. how
C. whether D. where
I don’t know ______ he will come tomorrow. ______ he comes , I’ll tell you.
A. if ; Whether B. whether; Whether
C. if ; That D. if ; If
He was afraid ______ make friends with anyone.
A. of B. to
C. in D. for
If you think you are a ______, you might always be ______.
A. alone; lonely B. lonely; alone
C.lone; lone D. Lonely; lone
—Can you tell me ______ Sally will play the piano?
—Yes, at nine o’clock. I think.
A. if B. how
C. when D. where