_____enough time and money, I'm sure I will do the work perfectly．
| A．Give | B．Giving | C．Having given | D．Given |
—We’re supposed to be there at 6:00?
—_______ I know.
| A．As soon as | B．As far as | C．So long as | D．As possible as |
I thought things would get better, but it is they are getting worse.
| A．before | B．because | C．as | D．after |
Although he knew little about the large amount of work done in the field , he succeeded other more well-informed experimenters failed.
| A．as | B．unless | C．what | D．where |
John waited at the bus-stop for nearly half an hour the bus finally arrived .
| A．when | B．as | C．before | D．while |
Not that I’m unwilling to lend you a hand ,I’m too busy for the moment .
| A．because | B．but that | C．but | D．however |