Question

【题目】Sometimes smiles around the world be false, hiding other feelings like anger, fear or worry.

Answer 1

【答案】can
【解析】can 考查情态动词。考察情态动词.Must必须 can可能 should 应当 would 愿意,将要。句意为,有时候,全世界的微笑都可能是假的,把他们的感受,比如气愤,恐惧或者担心隐藏起来。故填can 。