Susan advised me not to buy the vase, but I bought it _____.

A. anyhow  B. however   C. though      D. totally

Scientists in some countries have done a lot of work to _____ the moon.

A. cover B. search    C. explode   D. explore

She does not know _____ the situation, for she is too inexperienced.

A. how to deal with     B. what to deal with

C. how to deal with it   D. what to do with it

I know these flowers are not natural, but the _____ ones look more beautiful and can last long.

A. fresh           B. new   C. trueD. artificial

Cattle’s two ____ help them to digest food and their fur to keep them warm.

A stomaches     B heart     C stomachs     D hearts

Great attention must be paid ____ welfare, especially in the poor area.

A. develop      B. to develop   C. to developing      D. developing

________they visited the Science Museum，they showed great interest in everything they saw.

A．The first time  B．For the first time   C．At first  D．At the first time

John, get up! I’m afraid you won’t have time to ______ before going out.

A. get to change   B. get changing     C. get change       D. get changed

I want to buy that kind of cloth because I _____ the cloth _____ well.

A have told; washed               B have been told; washes

C was told; washed                D have been told; is washed

Two building workers got seriously wounded when the stadium _______.

A. was built     B. was being built     C. built         D. is being built