--- Shall we take a bus to the library?
--- It’s not far. I think we________ take a bus. Let’s walk there.
A.mustn’t | B.couldn’t |
C.can’t | D.needn’t |
--- Shall we take a bus to the library?
--- It’s not far. I think we________ take a bus. Let’s walk there.
A.mustn’t | B.couldn’t |
C.can’t | D.needn’t |