【推荐1】—I remember there ________ a lot of fish in the East Lake. Now it has been polluted.
—What a pity. I think we should play a role in protecting the environment.

A．used to have

B．used to be

C．are used to have

D．are used to be

【推荐2】—________ a lot of furniture in your house, Sarah?
—Yes. I feel very comfortable in it.

A．Are there

B．Is there

C．Have got

D．Has got

【推荐3】It's 6 p.m. now but there ________ still two students and a teacher in the classroom.

A．have

B．are

C．has

D．is

【推荐1】I ________ back in two weeks.

A．come

B．came

C．has come

D．will come

【推荐2】— we send some thank-you cards to our teachers?
—What a good idea!

A．Must	B．Shall
C．Can	D．May

【推荐3】I think the students ___________ at home on computers in 2050.

A．studied

B．will study

C．study

D．studies