Don’t forget________ “Thank you”, when others have helped you.
—How long have you been in Beijing?—_____
—How much is the white coat?—It’s_____yuan.
Our government should_____ measures to control the population.
The _____ population has caused many serious problems.
—_____ the population of the U.S.A. in 2005?—It _____ about 296 million.A. What is; is B. What was; wasC. How many is; was D. How many was; is