My study of biology has ______ much of my spare time, but it has given me a great deal of enjoyment.
| A．taken off | B．taken down | C．taken up | D．taken away |
Though it is not our normal _____ to pay in advance, I think it’s ok this time.
| A．practice | B．sense | C．style | D．habit |
How many nationalities________ our country __________?
| A．is; consisted of | B．does; make up |
| C．is made from | D．does; consist of |
The officials soon realized that, ____, things would get worse.
| A．unless dealt with it properly |
| B．if not properly dealing with it |
| C．unless properly dealt with |
| D．if dealt not properly with |
____ born in Toronto, Canada, the author is most famous for the stories about New York City.
| A．Though | B．Since | C．As | D．When |
---Do you doubt ___ she has passed the exam?
---I’m not doubtful at all ___she has passed the exams.
| A．that; whether | B．whether; that |
| C．that; that | D．whether; whether |