—Could you please come to the museum with me this afternoon?
—Sorry,I ________.I have to take a piano lesson at 2 pm.
A.couldn’t | B.mustn’t | C.can’t | D.needn’t |
—Could you please come to the museum with me this afternoon?
—Sorry,I ________.I have to take a piano lesson at 2 pm.
A.couldn’t | B.mustn’t | C.can’t | D.needn’t |