【单选题】
6. Our discussion ____ a wide range of subjects.
【单选题】
It was when Tom got to the office ____ the telephone rang.
【单选题】
—How long____ you ____the library book? —For three days.
【单选题】
My uncle, Sam, ____ a manager of the firm. ?
【单选题】
____, he is not capable of teaching.
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It happened to be very cold____ the morning of our sports meet. ?
【单选题】
He didn’t keep on asking me the time any longer as he had had his watch ____.?
【单选题】
Raw material is ____ we are badly in need of.
【单选题】
If you don’t go, ____ I.
【单选题】
4. This kind of plant ____ a lot of water at all times.