After a short rest, the doctor carried on the next patient
A. operating B. operation on
C. do an operation on D. operating on
People running everywhere. Do you know what ?
A. see; has happened B. see; happens
C. are seen; is happening D. are seen; is happened
We students can collect food and old clothes for the homeless people, and the teachers can ________learning skills for the poor children.
A. give B. offer C. prevent D. provide
—I can't stop smoking, doctor.
一For your health, I'm afraid you .
A. must B. can C. have to D. need
This kind of bamboo can be used a fishing pole(竿).
A. for B. as C. to D. by
―It's clever you to help me work out the difficult maths problem. Thanks!
―You are welcome. Now it's easier you to understand it.
A. of; of B. of; for C. for; of D. for; for
