“Look at these tracks. It _______ be a wolf.” “Don’t be so sure. I think it _______ be a fox.”

Reading English newspapers ______ good for your study.

It ________last night_____ Tom saw an interesting film in Dongfeng Cinema.

The vase cost me almost 100 yuan—Well, it was crazy of you to spend so much money _____you could buy a much cheaper one

His wife is very ________ about dress andshe is strongly ________ wearing ________ clothes on formal occasions.