We __________ have proved great adventurers, but we have done the greatest march ever made in the past ten years.
| A．needn’t | B．may not |
| C．shouldn’t | D．mustn’t |
time passed, however, the carnival period was extended.
| A．As | B．when | C．while | D．since |
Mark Twain left school early, make a fortune in South America.
| A．was determined to | B．was determining to |
| C．determining to | D．determined to |
It was dark, but I could see a man on the floor, with a rope.
| A．lie, tie up | B．lay, tied up | C．lying, tied up | D．lying, tying up |
There will be plenty of other new jobs, we probably can’t even guess.
| A．some of them | B．some of which | C．some of that | D．some of what |
The number of speech pathologists(who help people who have problems speaking)double by the year 2012.
| A．is expected to | B．are expected to | C．expects to | D．expect to |