—Excuse me, sir. Would you do me a favor?
—Of course. What is it?
—I ________ if you could tell me how to fill out this form.
| A．had wondered | B．was wondering | C．would wonder | D．did wonder |
Was it on a lonely island ________ he was saved one month after the boat went down？(2011·四川)
| A．where | B．that | C．which | D．what |
—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 |
The police were seeking more information to find out ________ the rich merchant.
| A．who was it that killed | B．who it was that killed |
| C．it was who killed | D．who was it killed |
Only when he reached the teahouse ________ it was the same place he'd been in last year.(2011·全国Ⅰ)
| A．he realized | B．he did realize |
| C．realized he | D．did he realize |
Try ________ she might, Sue couldn't get the door open.(2011·全国Ⅰ)
| A．if | B．when | C．sine | D．as |