—Listen! Someone ____________ on the street.—Singing? He is crying. A. is singing B. sing C. sings
On April 14, 2010, a serious earthquake happened in Yushu. More than 2,000 people ______ in it.
People _______the southwest of China were in great need of water a couple of months ago.
—Is this your sweater, Joy?—No, It’s not________ sweater. ________is yellow.
---_______ the Internet ___________ in your school? ---Yes, but the computer in our office has broken down.
—Could you tell me _____________ last night?—Er, I was watching TV at home.