Imy homework, I guess I can't join you.
| A．don't finish | B．didn't finish |
| C．haven't finished | D．won't finish |
What can we students do _____ the environment?
| A．to protect | B．protected |
| C．protecting | D．protects |
—Would you like to have _____? —No, thank you. I’ve had enough.
| A．anything more | B．something more |
| C．more anything | D．more something |
Look at the photo of the Smiths.happy they are!
| A．How | B．What | C．How a | D．What a |
—Have you finished your homework? —Not _____. I_____TV last night.
| A．already, have watched | B．yet, watched |
| C．just, watch | D．ever, watches |