Alex has finally become an astronaut, __________all his family members think is his dream career.

A. whichB. whoC. thatD. whom

This is John’s photo. We miss him very much. He _______ trying to save a girl in the earthquake.

A. is killedB. was killed

C. has been killedD. had been killed

It is the respect for universal rights, our respect for different cultures, and our _________ to international laws that guide China's openness to other countries.

A. comprehensionB. contribution

C. commitmentD. consideration

Although we may not realize ________, when we talk with others we make ourselves understood not just by words but also by body movements.

A. itB. themC. thatD. ourselves

If our marketing plan succeeds, we _______ the sales by thirty percent next year.

A. would increaseB. will increase

C. would have increasedD. will be increasing

Supposing you _________ the lottery, what would you do with the money?

A. would win    B. have won    C. had won     D. won

Children’s brains cannot develop properly _________ they lack protein.

A. becauseB. sinceC. whenD. unless

Afraid __________? This type of anxiety can deeply disturb people’s enjoyment of social relationships.

A. of laughing atB. to be laughed at

C. of being laughed atD. being laughed at

Experts and teachers all think that failure is not _____ a bad thing to some extent.

A. greatlyB. necessarilyC. definitelyD. fully

Although Albert Einstein would someday be _________ famous scientist, he did not like __________ school.

A. a; 不填B. a; the       C. the; 不填   D. the; the