Flying to shanghai from Beijing______ about 1 hour and _____1,000 yuan.
| A．spends, costs | B．takes, spends | C．costs, costs | D．takes, costs |
Mr. Wang has taught in our school _______ he came to Hainan.
A. when B. for C. since
It’s reported that China has the _________ population in the world.
A. largest B. smallest C. most
—How many girls are there in your school?—______________. I think.
A. Two third B. Two thirds C. Second third
—Hello! Could I speak to Mr. Liu, please?
—Sorry. He ___________ Sanya for a holiday.
A. has gone to B. has been to C. went
We should use sides of paper to reduce the waste.
A. all B. both C. neither