—_____ 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 wanted to help my mother do the housework.She asked me to________the rubbish.
—Could you please help me sweep the floor? —________.
—Could I use the phone,Miss Li? —________.
Here are some books.Could you please________?
—Could I________your iPad,Alice? —Of course.Here you are.