____along the quiet road at forty miles an hour, and then an old man suddenly started to cross the road in front of me.
| A．Driving | B．When I was driving | C．I was driving | D．Having driven |
It is not profitable to provide bus services in districts where the population is widely _____.
| A．scattered | B．dismissed | C．separated | D．spread |
. He _____ the place where he had been bitten by an insect.
| A．snatched | B．scratched | C．squeezed | D．stretched |
Trains stop here in order to _____ passengers only.
| A．get off | B．pick up | C．pull up | D．pull in |
This album is _____ as it was the only one ever signed by the President.
| A．unusual | B．unique | C．rare | D．special |
In aerospace devices the weight of the necessary power producing equipment is _____.
| A．vital | B．possible | C．capable | D．reliable |