our manage objects to Tom’s joining the club, we shall accept him as a member.
| A．Until | B．Unless | C．If | D．After |
When I got on the bus, I I had left my wallet at home.
| A．was realizing |
| B．realized |
| C．have realized |
| D．would realize |
—The weather is not good enough for the basketball match，is it？
—Not at all. We can’t haveat this time of the year.
| A．a nicer day |
| B．a worse day |
| C．a nice day |
| D．a bad day |
Some researchers believe that there is no doubt a cure for AIDS will be found.
| A．which |
| B．what |
| C．that |
| D．whether |
I can’t repair these until tomorrow, I am afraid.
That is ok. There is .
| A．no problem |
| B．no wonder |
| C．no doubt |
| D．no hurry |
If law and order ______, neither the citizen nor his family is safe
| A．are not preserved |
| B．is not preserved |
| C．were preserved |
| D．have not been preserved |