Question

— Can we leave the classroom now?
— No, you ______. You ______ to leave until the bell rings.

A．mustn’t, are allowed	B．don’t have to, are allowed
C．needn’t, aren’t allowed	D．can’t, aren’t allowed

Answer 1

D

試題分析：句意：——現(xiàn)在我們能離開(kāi)這個(gè)房間嗎？——不，你不能。直到鈴響了你才允許離開(kāi)。not …until直到……才……，can引導(dǎo)的一般疑問(wèn)句，否定回答仍用can，故選擇D。