______ in the queue for half an hour, the old man suddenly realized he had left the cheque in
the car.
| A．Waiting | B．To wait | C．Having waited | D．To have waited |
The rabbit ________ Lily keeps in the garden is white.
| A．which | B．who | C．whose | D．where |
She _______ an interest in collection stamps from childhood.
| A．left | B．earned | C．developed | D．loaded |
From my point of view, the best way _______ the problem is not to send soldiers to that area but to have a peaceful talk.
| A．to solving | B．solving | C．solved | D．to solve |
If you want to find some information about a foreign country, you can ask your friends _______ have been to that country.
| A．whom | B．which | C．who | D．whose |
___________ returning from abroad, he set about setting up a club for young climbers.
| A．Upon | B．At | C．In | D．During |