—_____ the population of the U.S.A. in 2005? —It _____ about 296 million. A. What is; is B. What was; was C. How many is; was D. How many was; is
---- What are they doing? ---- Look, they ________ on the playground. A. are running B. runs C. is running
Wang Hao often goes to school by _________. A. a train B. the train C. train
---- You look nice in the new shirt. ---- __________. A. Thank you B. No, it’s not C. You’re right
Oh, come on, Tom! It’s time __________. A. to school B. for class C. to go school
They often play games ________ free time. A. at B. on the C. in their