He seldom does his homework at school on weekdays,（）he?

单项选择题You like playing football，（）you？

A.do
B.didn‘t
C.did
D.don‘t

单项选择题There wasn't any paper in the box,（）?

A.wasn‘t there
B.was there
C.wasn‘t any
D.was any

单项选择题I don't think he will be back in an hour,（）?

A.doI
B.won‘t he
C.don‘t I
D.will he

单项选择题Somebody asked her,（）

A.did he
B.didn‘t they
C.didn‘t he
D.did they

单项选择题Silk（）by Chinese for thousands of years now.

A.has used
B.has been used
C.was used
D.is used

单项选择题By the end of this year, I（）enough money for a holiday

A.will save
B.will be saving
C.will have saved
D.will be saved

单项选择题By next year he（）in New York for five years.

A.has worked
B.has been working
C.works
D.will have worked

单项选择题The work（）by the time you get there.

A.will have been done
B.was done
C.had been done
D.has done

单项选择题The farmer caught the boys（）his apples.

A.stealing
B.stole
C.to steal
D.would stea

单项选择题（）all we should put the theory into practice.

A.Beside
B.To
C.Above
D.Of