If heated to ________ temperature, a piece of wood will burn.

A．certain

B．some

C．high

D．sure

We finally agreed ________ the price of the house after a heated discussion.

A．in

B．with

C．to

D．on

All the rooms are ________ with electric lights. You’ll find them comfortable to live in.

A．supplied

B．given

C．offered

D．afforded

It isn’t quite ________ that he will be present at the meeting.

A．sure

B．certain

C．exact

D．afraid

They can never make good nurses, not having the necessary ________.

A．practice

B．education

C．exercise

D．training

________ at the door before entering, please.

A．Knocked

B．To knock

C．Knocking

D．Knock

Friendship is like money; easier made than ________.

A．kept

B．to be kept

C．keeping

D．being kept

—Why did you go back to the shop?

—I left my friend ________ there.

A．waiting

B．to wait

C．wait

D．waits

The player was punished because it’s ________ the rules to pick up the ball.

A．breaking

B．obeying

C．made

D．against

I’m going to make an early start ________ I won’t get stuck in the traffic.

A．in case

B．because

C．so that

D．until