These are their ____________. They are very nice.
| A．model plane | B．models plane |
| C．model planes | D．models planes |
--- Have you washed your clothes ______?
--- No, I haven’t. But I have cleaned the room _______.
| A．ago; already | B．yet; yet |
| C．before; yet | D．yet; already |
I'll go to visit my aunt in England ________ the summer holidays start.
| A．while | B．since | C．until | D．as soon as |
--- Have you ever been to Paris, one of ________ cities in Europe?
--- No. But one day I might go there on vacation.
| A．the pleasant | B．the most excited |
| C．more wonderful | D．the liveliest |
What ______ you ______ when the telephone rang just now？
| A．are；doing | B．were；doing |
| C．do；do | D．do；doing |
--- Could you please clean the room?
--- _____ I have to do my homework.
| A．Yes, sure. | B．Why not? |
| C．Sorry, you can’t. | D．Sorry, I can’t. |