“f” and “u” are in the word “fun”. A. The ; an B. An, a C. A, a
---I’m going to take my driving test this weekend. ---________.
You will fall behind others ____________ you work hard.
H7N9 bird flu is a virus can make people die. We’d better stay away from birds at present.
--- Could you tell me __________? --- Certainly. In half an hour.
--- Mum, why don’t you have the robot ________ housework for you? --- Oh, it caught a virus. I should have it _________ at once.