The majority of rural migrants are engaged in the most painstaking, most tiring and dangerous work, _______ college graduates are reluctant to do.
| A．while | B．that | C．what | D．which |
As you can see, the number of cars on our roads _____________ rising these days.
| A．was keeping | B．keep | C．keeps | D． were keeping |
I don’t like the place. The house is __________ to live in；besides, the surrounding is not satisfying.
| A．comfortable | B．uncomfortable | C．interested | D．interesting |
The doctor is trying to save the patient by every _________________ means.
| A．imaginative | B．imaginable | C．imaginary | D．imagination |
Can you imagine the astronauts’___________ in space？
| A．to walk | B．to be walking | C．walking | D．to have walked |
It is difficult to imagine his _____________ the decision without any consideration.
| A．accept | B．accepting | C．to accept | D．accepted |