All of us find ________ necessary to take exercise every day．

A．this

B．that

C．it

D．them

－Thanks for your wonderful dinner．I have to go now．

－It’s raining hard．Don’t ________ until it stops．

A．arrive

B．stay

C．come

D．leave

We don’t have enough nurses to look after the patients．At least ________ are needed．

A．ten another nurses

B．more ten nurses

C．other ten nurses

D．another ten nurses

They had to ________ the 800-meter race because of the bad weather．

A．put on

B．put off

C．get on

D．get up

Waste paper shouldn’t ________ everywhere．It’s our duty to keep our city clean．

A．be thrown

B．throw

C．is thrown

D．are thrown

－How far is your cousin’s home from here?

－It’s about two ________ drive．

A．hour’s

B．hours

C．hours’

D．hour

－Can you play the piano?

－Yes, I ________．I often practice it on weekends．

A．needn’t

B．need

C．can’t

D．can

－Who will send you to the new school, your mom or your dad?

－________．I’ll go there alone．

A．Both

B．Either

C．Neither

D．None

－What a nice T-shirt!Can I have it, Mom?

－Well, It really look nice, ________ I think it’s too expensive．

A．but

B．as

C．for

D．or

You’d better ________ too much time playing computer games．

A．don’t spend

B．not to spend

C．to not spend

D．not spend