-The presidents of China and the USA had ________ interview a short time ago.—And it was ________ great success.
.Look! The students _____ the classroom.A.clean B.are cleaning C.are clean
—What’s your favorite subject?— _____ Because it’s easy and interesting.A.Toys. B.Math. C.T-shirt.
—Hi, Lily. Happy New Year!— _____A.Thank you. B.Yes. C.The same to you.
— _____ does your mother usually go to the office?—By bus.A.Where B.What C.How
--My watch doesn't work now. Could you help me fix it?-- .