"Tom, here's_________apple for you. " "Thank you, mom. " A. a B. an C. the
The Yellow River is one of ________________in the world.
---Why not_____ us ? ----Because I have a lot of work______.
He____25 yuan buying this new book yesterday afternoon.
It’s time for supper now. Let’sit.
----______have you been learning to swim ? ----Half a year.