——How do you like the necklace?

——Oh, perfect！It’s the ________ thing I’m after.

A．exact

B．right

C．just

D．very

You’d better give the task to ________ you think can succeed in carrying it out ahead of time.

A．whoever

B．whomever

C．anyone

D．no matter who

——Please be more careful from now on.

——I’m very sorry ________.

A．It won’t happen again

B．It doesn’t matter

C．Yes, do please. It’s a good idea.

D．That’s my business.

You have to wait for Dr. Wang. He’ll be here ________.

A．after a short while

B．in a short while

C．for a short while

D．about a short while

I’ve ________ the book on the shelf where it once ________.

A．lay; lay

B．lain; laid

C．laid; laid

D．laid; lay

He had just fallen asleep ________ there came a knock at the door.

A．suddenly

B．at that time

C．when

D．while

—— We’ll have an examination next week. I’ m really worried.

A．Never mind

B．It’s no matter

C．Take it easy

D．That’s all right

Some people say that salt water never freezes. This isn’t true. Salt water does freeze. However, it takes a colder temperature to freeze water than it does to freeze fresh water. Salt water freezes at twenty - eight degrees. Fresh water freezes at thirty-two degrees.

The freezing temperature of salt and fresh water:

A．differs by ten degrees.

B．differs by eight degrees.

C．differs by four degrees.

D．is the same.

It’s already ten o’clock and father________ walk in at any moment.

A．is possible to

B．is likely to

C．is certainly to

D．is planned to

——No one has returned the lost wallet.

——Right. But we ________ any day now.

A．expect to return

B．expect it returned

C．expect it to return

D．expect it to be returned