--How long ________ at this job?

--Since 1990.

[　　]

________ students are required to take part in the boat race.

[　　]

A．Ten strong young Chinese

B．Ten Chinese strong young

C．Chinese ten young strong

D．Young strong ten Chinese

Because the shop ________, all the T-shirts are sold at half price.

[　　]

You can take anything from the shelf and read, but please ________ the books when you’ve finished with them.

[　　]

--Isn’t that Ann’s husband over there?

--No, it ________ be him I’m sure he doesn’t wear glasses.

[　　]

He is the only one of the students who ________ a winner of scholarship for three years.

[　　]

--How long ________ at this job?

--Since 1990.

[　　]

Many students signed up for the ________ race in the sports meeting to be held next week.

[　　]

European football is played in 80 countries，________ it the most popular sport in the world.

[　　]

“We can’t go out in this weather,”said Bob，________ out of the window.

[　　]