— What are your students doing now?
— They football. Let's go and have a look.
| A．are playing | B．will play |
| C．is playing | D．were playing |
—_____ you _____ your homework yet?
—Yes, I _____ it ten minutes ago.
| A．Did; do; finished | B．Have; done; have finished |
| C．Have; done; finished | D．Will; do; finish |
It’s necessary for you _____ exercise every day.
| A．taking | B．to take |
| C．take | D．takes |
—Could you tell me ____? —Sorry, I don’t know.
| A．where are my socks | B．where can I find my socks |
| C．where my socks are | D．where my socks put |
The Greens _____ China for seven years.
| A．have come to | B．have been to |
| C．have come in | D．have been in |
Nobody knew ______.
| A．what will happen in the future |
| B．when she will achieve her dream |
| C．how he got to the top of the tower |
| D．if he would get here soon. |