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

Then moment _________ Mary will always remember is _________ Mr．Black gave her a lot of valuable advice on how to improve her writing．

_all your things, Mary! I hatethem here and there! —-OK, Mum.

They can’t go out to workthe heavy rain.

Dad, do you like my picture— How wonderful! It’s ________ one I’ve ever seen!

_____ on the bed , he _____ to his parents that blackbirds had_____ their eggs on Mars.[ ]