—_____ 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
—Dad, must I finish my homework today? —No, you ______. You may do it tomorrow.
—What ______ the number of the students in your school? —About two thousand. A number of them _____from England.
Why not ______ your teacher for help when you can’t finish ______it by yourself?
There is going to be a wonderful party __ the evening ___October 1st, 2009.
My son want a pet rabbit for long, but I have no time to buy ______ for him.