On her way home Lucy saw a thief ________ in a shop. She stopped ________ 110 at once.

A. steal; call

B. to steal; call

C. stealing; to call

D. stealing; calling

桰 don't know ________ with this problem. It's too hard.　　

梇ou can ask Mr Wang for help.

A. which to do

B. when to do

C. what to do

D. how to do

The heavy snowstorm made the mountain climbers ________ halfway.

A. stop

B. to stop

C. stopping

D. stopped

The headmaster told us ________ at the Science Museum on time.

A. arrive

B. arrives

C. to arrive

D. arriving

When they went into the park, they saw someone ________ Chinese Kongfu.

A. plays

B. played

C. to play

D. playing

All the children like Mr White very much because he often makes them ________.

A. laughed

B. laugh

C. laughing

D. to laugh

With the help of the Internet, news can ________ every corner of the world.

A. arrive

B. reach

C. go

D. get

Digital cameras are becoming very popular, though some still ________ too much.

A. pay

B. spend

C. sell

D. cost

The teacher ________ his students to hand in their compositions before Friday.

A. said

B. told

C. had

D. kept

We have lunch in a restaurant next to our company and our company ________ for our meals.

A. buys

B. pays

C. costs

D. takes