— Must they clean and tidy the classroom now?
— No, they . It after school in the afternoon.
A.mustn’t; must clean | B.needn’t; must clean |
C.mustn’t; need be cleaned | D.don’t have to; can be cleaned |
— Must they clean and tidy the classroom now?
— No, they . It after school in the afternoon.
A.mustn’t; must clean | B.needn’t; must clean |
C.mustn’t; need be cleaned | D.don’t have to; can be cleaned |