── Do you know our town?
── No, this is the first time I ________ here.
| A．was | B．have been |
| C．came | D．am coming |
The explorers were told to __________ themselves with everything they would need for the voyage.
| A．associate | B．equip |
| C．treat | D．feed |
The old teacher lay wide awake on his bed, __________ all the problems he had to deal with the next day.
| A．thought about | B．to think about |
| C．thinking about | D．having thought about |
—What kind of party is it? Need we __________?
—Yes. It's a very formal occasion.
| A．give up | B．dress up |
| C．mix up | D．turn up |
Increase the temperature of the gas and the gas will tend to __________.
| A．expand | B．spread |
| C．stretch | D．extend |
He exists __________ bread and water.
| A．on | B．in |
| C．by | D．with |