Robert is away. He _______ America since last week.
| A．has been to | B．has joined a club in |
| C．has studied in | D．has become a manager in |
--- Where’s Mary? --- She _____ to Harbin.
| A．has been | B．has gone | C．goes | D．went |
They arrived _____Shanghaia cold morning .
| A．in; in | B．in; at | C．at; on | D．in; on |
Would you like ____ me ___ my homework?
| A．to help, on | B．help, with |
| C．help, to | D．to help, with |
－ － You're welcome.
| A．How are you? | B．Are you OK? |
| C．Thank you for your help. | D．What about you? |
－Are those his friends? －________.
| A．Yes, those are | B．No, they aren't |
| C．Yes, they aren't | D．No, those aren't |