如果你想问别人“这位是谁?” 你可以说:A.Who is this? B.Who is that? C.Who are you?
When did they _____ ? A. comeB. cameC. comes
What _____ to you? A. happenB. matterC. happened
What did you _____ ? A. sawB. seeC. bought
I usually_____ to the zoo at the weekend. A. wentB. goC. came
Yesterday Meimei _____to the park. A. goB. goes C. went