The overseas Chinese scientist made another wonderful discovery, ___________ of great value to study AIDS.
| A．which I think it is | B．which I think is | C．I think it is | D．I think is |
He hated the war so much that he decided to leave the army _____.
| A．for long | B．once in a while | C．for good | D．once upon a time |
We suddenly saw the bus about to leave and had to run _____ to catch it.
| A．hardly | B．awkwardly | C．hard | D．strongly |
If we can _____ our present difficulties, then everything should be all right.
| A．get off | B．come across | C．come over | D．get over |
Many university courses are not really _____ to the needs of students or their future employers.
| A．associated | B．relative | C．geared | D．sufficient |
Some areas, _____ their severe weather conditions, are hardly populated.
| A．due to | B．but for | C．in spite of | D．with relation to |