问题

The weather in my hometown in summer is usually very hot but it ________ be cold sometimes. [ ]

A: should
B: can
C: must
D: may

正确答案是：

同类题型

I have homework to do. I can’t go fishing with you.

These are two ____ and three ____.

Would you ___ us to Lily’s home

Jack is a famous writer. ＿＿＿new book is very popular.

What are you going to do this weekend?— I don’t know. I ______ visit a friend.