问题

Why are you smiling at me —- You look _______ in that hat

A:could help
B:should help
C:could have helped
D:must have helped

正确答案是：

同类题型

下列各句中，表达得体的一句是

This is Tom.____ is a teacher.

What ______ can I do for you —Thank you, but I can finish it myself.

Would you mind _________me carry the heavybox———____________.

.On cold mornings, after washing your hair, you’d better dry it ______ using a hairdryer