As young adults, it is our_____ to try our best to deal with each challenge in our education with the help of our teacher.

A. work         B. job      C. duty         D. task

On April 12, 1961，_____27—year—old Yuri Gagarin(尤里.加加林)became the first human to go into_____ space.

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

—Which city is your favorite?

—Hangzhou, of course. It’s the _____place that I want to visit. 

A. worse        B. worst        C. better       D .best

Sometimes most of us probably are angry______our friends, parents or teachers.

A. to       B. with         C. at       D. for

Mary is tired of learning because she is_____ to do better than she can, both at school and at home.

A. thought      B. expected         C. hoped        D. helped

_____of the two story books are very interesting, so I can’t decide which one to choose.

A. All      B. Any      C. Either       D. Both

Stephen Hawking can’t walk or even speak，_____he has become very successful.

A. but      B. and      C. or       D. then

This morning I had hardly got to my school when it_____ to rain.

A. had begun    B. was beginning        C. began        D. begins

_____you do, don’t miss this exhibition, for it’s so hard for me to get the tickets.

A. Whatever         B. However      C. Whenever         D. Whether

Last year was a hard time to my friend Jim, but he didn’t_____ hope.

A. pick up      B. use up       C. put up       D. give up