【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.
【单选题】
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.
【单选题】
14. It is ____ pity that you cannot come to the wedding.
【单选题】
The man was informed ____ the arrival of the new products. ?