The question is very important. It really needs _______.
| A．carefully discussing | B．carefully to discuss |
| C．to carefully be discussed | D．being discussed carefully |
There are usually at least two _____ of looking at every question.
| A．ways | B．directions | C．views | D．opinions |
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 |