Question

(2013·潍坊市高三二模)Sometimes smiles ________ be false, hiding other feelings like anger, fear or worry.

A．must	B．should
C．can	D．would

Answer 1

C

选C　句意：有时微笑可能是假的，目的是隐藏像愤怒、恐惧或焦虑那样的情感。表示“有时会”用can。