4. The house is too expensive. 　　　　, it is too large for our family.

3. We can’t 　　　　everything that is brought from abroad.

2. An old man was knocked down by a car and we 　　　　sent him to hospital.

1. The two mountains are 　　　　each other by a railway.

5. Shut the door to 　　　　the cold air .

C. in addition/connected with/make the decision/say again/at once/take in

4. I’m trying to　 fatty foods.

3. What 　　　　you　 going home for many years?

2. Terribly sorry to have 　　　　you working here for so long a time.

1. It’s never an easy thing to 　　　　one’s anger when we are truly annoyed.

3. This is a two-piece 　　　　, but it is still not expensive.

B. keep off/keep ...out(of)/ keep(doing) / keep ...from doing /keep back