—_____ 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
News Report is not so ________ as Law Today.
--What do Li Lei’s parents do? --They _________ doctors.
–Did you buy _______ for yourself? --No, I bought ________.
Helen was so careless that she made _______ mistakes in her math exam.
-- ________ do you hear from Karen this year? --Hardly ever.