Nowadays people take___ exercise a day as they did in the past because of widely used automobiles.
| A．less than half | B．less than as half as |
| C．less than half as much | D．half less than |
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 |
Can you show me a case ____ the professor mentioned yesterday?
| A．when | B．where | C．that | D．what |