--- Thank you ________ your great help. --- You are ________.
| A．for; welcome | B．to; right |
| C．of; great | D．of; right |
Mr. Smith teaches ________ science. We all like ________classes very much.
| A．us, his | B．our, him | C．our, him | D．us, him |
Our school has a school trip ________ October 15th.
| A．at | B．on | C．in | D．for |
Can you ________ it ________ English?
| A．speak, in | B．tell, with | C．talk, with | D．say, in |
We can ________ some food________ the supermarket.
| A．sell, to | B．buy, from | C．sell, from | D．buy, to |
We have sweaters ________ all colors ________ ￥50 each.
| A．in, for | B．at, in | C．in, at | D．at, at |