－Can you help me clean the room?

－OK, _________ I have to wash the clothes first．

A．so

B．but

C．because

D．as

Everybody knows that blind people shouldn't _________．

A．look down on

B．be looked down

C．look down

D．be looked down on

I think _________ is meaningful to help other people．

A．it

B．this

C．that

D．/

Great changes _________ in our country since 1990．

A．were taken place

B．took place

C．have taken place

D．have been taken place

－Have you seen the film Kongfu Panda?

－No．but some of my friends _________．

A．are

B．have

C．do

D．will

She was the eldest _________ the three girls．

A．in

B．between

C．with

D．among

－How long _________ home?

－For about three months．

A．have you been away from

B．did you leave

C．have you left

D．are you away from

My grandma _________ the life in the city in the first two weeks．

A．didn't use to

B．isn't used to

C．wasn't used to

D．doesn't use to

We didn't have enough money for the movie, so we went to the park _________．

A．instead of

B．instead

C．in fact

D．ever

Why not _________ your best _________ people in need?

A．to try; to help

B．try; help

C．try; helping

D．try; to help