—Excuse me, is Mr Green in the office?
—No. He Singapore for a meeting. He will be back in a few days.
| A．have gone to | B．has gone to | C．have been to | D．has been to |
It's very to play chess with old friends at home.
| A．pleasant; / | B．interesting; the |
| C．pleasant; the | D．interested; |
—Where have you _________? —I’ve ________ the supermarket.
| A．gone, gone to | B．been, been to |
| C．gone, been at | D．been, gone to |
We each other since I left school.
| A．don’t see | B．didn’t see |
| C．haven’t see | D．haven’t seen |
—Who will go to the airport to meet Mary?
—I will. I her several times. I can find her easily.
| A．met | B．have met |
| C．had met | D．will meet |
--- I can’t carry the box ， Mum . --- _________ ， I can help you .
| A．OK | B．Don’t worry |
| C．That’s all right | D．you’re welcome |