--John practices speaking much harder than before these days.--Yes, he has ___________ his mind to improve his spoken English.
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
---- Can I have ________ cakes, please? ---- Sorry, I don’t have ______ cakes in the fridge.
---Can I ________ your pen? ----- _________________________.