Do you know many man-satellites　　 space by our scientists since the middle of the twentieth century?

A. have sent into　　　　　 B. were carried into　

C. have been sent into　　 D. have been brought into

Stephen Hawking believes that the earth is unlikely to be the only planet 　　　　 life has developed gradually.

A. that　　　　　　　　 B. where　　　　　 C. which　　　　　 D. whose

Most sickness often _____ from eating and drinking too much.

A. results of 　 B. results from　 C. results in 　 D. is resulted

It’s important for us to employ a word or a phrase according to the ______ in language studies．

A．situation　　 B．expression　 　　　　　　　 C．condition　 D．translation

It was some time________we realized the truth.

A．when 　　　　　　　　　 B．until

C．since 　　　　　　　　　　D．before

We should follow the example of our parents, ______ more and taking less.

A. hoping　　 B. doing　　　 　 C. saying　　 　 D. giving

-----I just heard that the tickets for tonight’s show have been sold out. -----Oh no! ______.

　 A. I was looking forward to that 　 B. It doesn’t matter

　 C. I know it already 　 D. It’s not at all interesting

--- Have you seen Li Ming recently?

　 --- Yes, in fact I saw him last night. I ______him for a long time.

A. haven’t seen　　　 B. didn’t see　　　　　 C. hadn’t seen　　　　 D. don’t see

______has recently been done to provide more buses for the people, a shortage of public vehicles remains a serious problem．

A．Despite that　 　 B．Despite of what　

C．In spite of what　 D．Though what

After a successful operation, Ronaldo has begun to do some exercise to ____ strength.

A. add           B. decrease          C. increase           D. rise