— 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
I have invited her to have a dinner. But she __________ .
The bike needs __________.
__________ this medicine three times a day ,and you will get better .
Dad ,why must I stop__________ computer games? For your health ,my boy .
I think you ______ a wrong ______.