－ 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