His sister left home in 1998,and__________ since.
| A．wasn’t heard of | B．hadn’t heard of |
| C．hadn’t been head of | D．hasn’t been heard of |
The managers consider it is important that everything ________ by weekend.
| A．will complete | B．has completed |
| C．be completed | D．is completing |
—Your sitting room looks so clean and tidy.
—Well, thanks to the babysitter. She is a real ________.
| A．finding | B．invention | C．find | D．discovery |
Don't worry about my illness. What I need is ________ but a few days' rest.
| A．anything | B．everything | C．something | D．nothing |
You surprise me! You ________ fall asleep in such an important meeting.
| A．must | B．may | C．can | D．should |
There were no other houses beyond her garden, ________ made it seem like her house lay at the end of the world.
| A．which | B．that | C．where | D．what |