问题
选择题
Sometimes smiles around the world ________ be false, hiding other feelings like anger, fear or worry.
A.must
B.can
C.should
D.would
答案
答案:B
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。