—I __________ you and Tom in the lab just now.

—Oh, we __________ several visitors around the school at that time.

A.was seeing; were showing B.was seeing; showed C.saw; are showing D.saw; were showing

Jack planned ________ his problem of being too fat last year.

A.solving B.solve C.to solve D.solved

Lao She's works __________ by lots of people today.

A.are read B.were read C.is reading D.are reading

—Do you often write __________ your parents?  

—No. I often talk with them __________ the phone.

A.to; in B.for; on C.to; on D.for; in

—Look, John's sleeping at work!  

—Oh, he __________ get up early this morning.

A.shall B.might C.need D.should

Lu Xun is one of __________ of modern China.

A.the greatest writer B.the greatest writers C.greater writers D.greatest writer

The little girl was too weak. She could __________ walk.

A.hard B.certainly C.ever D.hardly

We have to drive very carefully to __________ accidents.

A.avoid B.refuse C.encourage D.provide

—There are only about 1,600 pandas in the wild. 

—Oh, dear! They are in a very difficult __________.

A.time B.world C.population D.situation

—Whose shoes are __________? Are they __________?  

—No. They are Lingling’s.

A.these; yours B.those; your C.that; yours D.this; your