Take care! If you lose _______on the swing, you may fall down and hurt yourself.
—What’s your favorite ________, John?—Swimming,of course.
. ---- Do you know Betty? ----- Yes, I know her _______. She likes reading ________. A, very well , very much B. very much, very muchC. very well, very well D. very much, very well
Don’t play tricks ______ that little child, he is crying.
---- ________ Mr White good at singing? ----- Yes, he teaches ______ music this year.
We knock _____people’s doors, and they usually give us some candy _____ a treat. A. on, to B, at, to C. on, as D. on, on