The university estimates that living expenses for international students ________ around $8,450 a year,
which ________ a burden for some of them.
| A． | are；is | B． | are；are | C． | is；are | D． | is；is |
---So you are back; are all the students present at the meeting?
---Not really, nobody but Lucy and John ___________ in the meeting room.
| A．are | B．were | C．was | D．is |
The little child usually felt frightened at night, so not until ___________.
| A．did he fall asleep his mother left the room |
| B．he fell asleep had his mother left the room |
| C．did he fall asleep did his mother leave the room |
| D．he fell asleep did his mother leave the room |
The way ______ he did it was different from _______ we were used to.
| A．which; what | B．/; what |
| C．in that; what | D．that; that |
Tom was about to close the window __________his attention was caught by a bird.
| A．when | B．if | C．before | D．since |
---Do you have any good suggestions for our company?
---In my opinion, you should _________ the cost and increase the output.
| A．cut off | B．cut down | C．cut in | D．cut up |