—It’s nice. Never before such a special drink!
—I’m glad you like it.
| A．I have had | B．I had |
| C．have I had | D．had I |
Do you have any idea ______ is actually going on in the classroom?
| A．that |
| B．what |
| C．as |
| D．which |
I was surprised by her words,which made me recognize ______ silly mistakes I had made.
| A．what |
| B．that |
| C．how |
| D．which |
Some researchers believe that there is no doubt ______ a cure for AIDS will be found.
| A．which |
| B．that |
| C．what |
| D．whether |
The old lady’s hand shook frequently.She explained to her doctor ______ this shaking had begun half a year before, and, ______ only because of this, she had been forced to give up her job.
| A．when;how |
| B．how;when |
| C．how;how |
| D．why;why |
_______ in the regulations that you should not tell other people the password of your e-mail account.
| A．What is required |
| B．What requires |
| C．It is required |
| D．It requires |