Boys, don't stop-please _______with your work.
A. carry on B. get on C. turn on D. work on
－ 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
