18、—Did you _____ the windows before buying the curtains?
—Yes, three feet by four.
A．weigh B．deliver C．remove D．measure
17、There were very few moments _____ Mr. Smith couldn't give us lessons because of ill health.
A．that B．which C．when D．where
16、So pleased with our computers _____ that he at once made an order for 1,000.
A．Bill felt B．did Bill feel
C．Bill did feel D．felt Bill
15、The Turners are supposed _____ for New Zealand last week.
A．to have left B．to be leaving
C．to leave D．to have been left
14、Finding no students in the lecture hall, Prof．Flynn realized that he came ______ early.
A．very B．much C．too D．far
13、I had not been waiting very long _____ he returned from the conference in the town.
A．until B．after C．while D．before
12、—Joan _____ a month's vacation.
—That's nice．If time permits, I will go with her.
A．is taking B．was taking C．has taken D．took
11、By using the air ambulance to transport patients _____ hospitals, they can win more time for serious cases.
A．inside B．during C．through D．between
10、—Wow, you have a really good voice．I you were good at singing．
—Thank you．
A．haven’t known B．don’t know C．didn’t know D．hadn’t known
9、 by his friends and relatives，he decided to file his invention with the patent office to get recognition for his successful idea．
A．Having pressed B．Being pressed C．To be pressed D．Pressed