—_____ the population of the U.S.A. in 2005?—It _____ about 296 million.A. What is; is B. What was; was C.How many was; was
—Oh , I have a terrible toothache. —You’d better see a dentist and have your bad teeth out.
— I am afraid of our head teacher. How about you? — Me too. He is so serious that the class ____ when he comes into the classroom.
— Nancy, would you mind turning down the music? Your father is sleeping. —________.
— What’s that terrible noise? — The neighbors ______ for a party. They moved here a week ago.
—This camera is very similar ________ that one. —Yes. I have some trouble ________ their differences.