— 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
The telephone rang_______ Jenny was practicing the violin. A. until B. before C. while
--- Hi, David. _______do you go to see your grandparents? ---About three times a month. A. How long B. How often C. How soon
The year of 2013 saw the_______ air pollution in China for 52 years. A. bad B. worse C. worst
--- Do you know if Tom_______ to Lily’s birthday party last Sunday? --- Sorry, I've no idea. A. is invited B. was invited C. invited
—Which drink would you like, fruit juice or milk? —_______, because I have a stomachache. A. Neither B. Either C. Both