—Could you tell me ________ ,Mr.Smith?
—Sure. It's because of the bad weather.
A.what is your family name
B.why the train hasn't arrived yet
C.how can I get on well with my parents
—Would you mind my closing the windows?
—________.Go ahead.
A.Of course not B.Sorry,you can't C.Better not
Many trees and flowers ＿＿＿ in our city last year and they made our city a beautiful garden.
A.have panted
B.are planted
C.were planted
We should do what we can ________ our English.
A.improve B.improving C.to improve
--Have you ever been to South Tower Park?
---Yes. I ___________there a few months ago.
A. went B. have been C. have gone
—Must I finish my homework this evening?
—No,you ________.You have a three﹣day holiday.
A.won't B.mustn't C.needn't
