I won't tell the student the answer to the math problem until he on it for more than an hour.
| A．has been working | B．will have worked |
| C．will have been working | D．had worked |
—My cousin is very clever but he doesn't work hard at his lessons.
—________.
| A．So is my little brother |
| B．Neither does my little brother |
| C．So it is with my little brother |
| D．Neither is my little brother |
She started singing to the baby and was ________ with a smile.
| A．awarded | B．rewarded |
| C．prized | D．valued |
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 |