Mr Wang ________ cold for two days.

[　　]

You must keep your classroom ________ .

[　　]

You can see a ________ man in the photo.

[　　]

A．21 years old

B．21-years-old

C．21 year old

D．21-year-old

I ________ (that)I shall be back until eight o'clock.

[　　]

A．didn't suppose

B．don't suppose

C．never supposed

D．supposed

--- ________ you have bought me!

--- I got them at the market.

[　　]

Let's stop ________. I know a nice restaurant near here.

[　　]

I ________ my homework while my sisters ________ TV last night.

[　　]

A．did; have watched

B．was doing; were watching

C．had done; were watching

D．would do; were watching

Although he is young, ________he knows a lot.

[　　]

(2006年湖南)

From the following note, we know ________ telephone number is 8229168.

[　　]

(2007年宁夏)

I thought ________ very important to take exercise every day.

[　　]