One of the boys ________ doing __________ homework in the classroom.
A. is; their B. are; his C. is; his
相关试题
_________ exciting match it is! Wonderful players and wonderful teams!
| A．What | B．What a | C．What an | D．How |
--__________ you see the traffic accident near the park yesterday?
-- No, I didn’t.
| A．Did | B．Do | C．Have | D．Are |
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