Some researchers believe that there is no doubt ________ a cure for AIDS will be found.（2005年广东省高考题）
| A．which | B．that | C．what | D．whether |
The workers insist that the company should take _____ measures to improve their working condition.
| A．attractive | B．effective | C．impressive | D．conservative |
I wish I could offer you another cup of coffee but there’s _____ left.
| A．nothing | B．none | C．nobody | D．no one |
_____ that quite a lot of people were out of work.
| A．So became serious the global economic crisis |
| B．So serious became the global economic crisis |
| C．So serious did the global economic crisis become |
| D．Serious the global economic crisis became so |
We keep the belief that the bright future ______ to those who are well educated.
| A．is belonging | B．is belonged | C．will be longed | D．belongs |
---I’ll ask the teacher about past tense. I’m very puzzled about it.
--- That is just _____ most of our classmates have doubt.
| A．what | B．why | C．where | D．how |