—_____ 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
What’s the weather ___ in summer ?
-David has made great progress recently. -______, and ______.
WeBeijing next week.
The water in this river is harmful because It’s a ______ river.
There _______ a mother ,a father and three children in the family.