—What’s this ____ English?—It’s an egg.
—Where are your children?—I had no idea. But when I left home this morning, I saw them _______ a football in the yard.
Don’t ________ until the bus stops. Or it’s too dangerous.
Mr. Smith was ill ________. He had to have three weeks ________.
The number of students in our school ________ 2000 and a number of them ________ good at playing basketball. A. is, is B are, are C. is, are D. are, is
—I’m sorry. I ________my exercise book at home.—Don’t forget ________ it here tomorrow, please.