There are some boys ______ basketball over there.
Let's go and join them.( )
A.are playingB.playing
C.to play
---_________ the door, please.---Please come in. The door________.
I don’t think it is a good idea, ________ ? A. isn’t it B. is it C. do we
Some of the apples are bad,but I believe the rest sweet.
--- Can you tell me where Tom is? --- He ________ on the playground. A. plays B. playing C. is playing
-- _______ bad weather! -- So it is. A. What B. How C. What a