--- Are you willing to live on Mars(火星) one day? It must be amazing!
--- It sounds exciting, but it still worries me.
| A．Of course I am. | B．I’m not sure. |
| C．Why not? | D．Are you telling a joke? |
Let’s go home________ 6:30.
| A．at | B．for | C．in | D．as |
—May I take your order?
—_________.
| A．Not bad | B．I like it a little. | C．Rice,please. | D．Here you are. |
—Help yourself,Li Lei.
— ___________.
| A．Sure | B．All right | C．That sounds great | D．Thanks |
Who is the young woman_______yellow?
| A．at | B．for | C．in | D．on |
This is ___ old watch. Could you give me ___ new one?
| A．a, a | B．an, a | C．an ,an | D．a, an |