Question

— What does the sign over there say?
— No person ______ enter the area without the official permission.

A．shall

B．may

C．must

D．will

Answer 1

A

考查情态动词用法。Shall用语2,3人称表示命令，警告，允诺，要求等；本题表示警告。句意：—牌子上写着什么？—未经官方允许，任何人不得进入这个地区。