Sara enjoys amusing her friends by________stories.

A．keeping up　B．making up

C．putting up　D．taking up

—We________gas.I'm afraid we can't go much further.

—I know there's a gas station ahead.Sure it will last us until we get there.

A．are running out　B．have run out

C．are running out of　D．have run out of

________ the famous actress wants to offer to her fans is honesty and happiness.

A．Which　B．What

C．That　D．Whom

Everybody needs calcium, but it is quite possible for a similar person to be totally healthy by eating only________.

A．as half much　B．as much half

C．half as much as　D．half as much

Many young people don't work hard, and regret it later when the opportunity is gone.They only realize it________it is too late.

A．when　B．before

C．in case　D．until

Learn some relaxation exercises and do them every time you feel________.

A．embarrassed　B．stressed

C．ashamed　D．impressed

The days are gone________you can breathe fresh，unpolluted air or drink clean, unpolluted water in the countryside.

A．when　B．that

C．where　D．which

You cannot tell________looking at someone whether or not he has HIV.

A．without　B．by

C．for　D．with

It________heavily for 2 weeks and the farmers were very worried.

A．has been raining　B．had been raining

C．has rained　D．had been rained

It's OK to________an electrical appliance on so long as you are using it.

A．leave　B．make

C．turn　D．open