—What does the sign over there say? —In the museum no personbe permitted to take photos.A.

问题补充：

—What does the sign over there say?

—In the museum no personbe permitted to take photos.

A. will

B. may

C. must

D. shall

答案：

A. will

B. may

C. must

(答案→)D. shall

解析：考查shall饿用法。Shall用于所有人称，表示命令，警告，强制，或者法律规定中要做的事情。句意：—那边的牌子上写着什么？—在博物馆里，任何人都不允许拍照。根据句意说明指博物馆的规定，不能拍照。故D正确。