They had problems________across the river．
| A．walk |
| B．to walk |
| C．walking |
| D．to walking |
—________ you play chess?
—Yes, I can.
| A．Are | B．Do | C．Did | D．Can |
Which floor do you live ______ and which flat do you live ______ ?
| A．on ; on | B．in ; in | C．in ; on | D．on ; in |
Would you like to share the room ______ her brother ?
A.with B.anD. C.of D.on
Which of them isn’t a capital city ?
| A．Paris | B．London | C．Sydney | D．Moscow |
_____ is your telephone number ?
| A．What | B．How many | C．How much | D．How long |