_______ is known to us all that the old scientist, for _______ life was hard in the past, still works hard in his eighties.
| A．It; whom | B．As; whose | C．As; whom | D．It; whose |
Defeated by many failures, the young man finally ______.
| A．gave out | B．gave away | C．gave in | D．gave off |
.— My daughter has passed the exam.
— Congratulations! She’s really intelligent.
— __________________
| A．No, no, she is nothing. | B．Oh, thank you! |
| C．Sometimes she is intelligent. | D．You are right. |
Alice is stubborn, as you know. She trusts you and only you can ______ her to give up the foolish idea.
| A．hoped | B．suggest | C．persuade | D．make |
The teacher told us that light ______ faster than sound.
| A．traveled | B．had traveled | C．is traveling | D．travels |
This is her only request that the room ______ after being used.
| A．be cleaned | B．is cleaned | C．will be cleaned | D．would be cleaned |