-Shall we go hiking this Sunday? -Sorry, I _______. I’ll have to take a piano lesson.
A.may not | B.can’t |
C.needn’t | D.mustn’t |
-Shall we go hiking this Sunday? -Sorry, I _______. I’ll have to take a piano lesson.
A.may not | B.can’t |
C.needn’t | D.mustn’t |