–I hear your dad _____Shanghai on business. Did he fly there?–Yes, but he will be home tomorrow.A. will go to B. has been to C. has gone to
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
The population of Shanghai is larger than _____ of Shenyang.
The traffic in the city _____ be terrible, but now it has improved a lot. I think you will _____ it soon.
—What a nice bicycle! How long have you _____ it ?—For a week.