A11 the boys except Jack and Tom have been in the History Museum more than twice.

How many times has Jack been to the History Museum?

A．One or two.

B．Four.

C．Many.

D．Three.

I want three shirts ________ the same size but ________ different colors.

A．of; of

B．by; of

C．of; on

D．by; in

First, collect as many stamps as you can. Second, trade ________ you don’t want to keep with other people.

A．whatever

B．no matter with

C．however

D．whichever

It will take three months to ________ a man to do the special work.

A．train

B．cause

C．force

D．advise

Remember not to ________ when you enter the room.

A．look up

B．look round

C．look into

D．look through

If you drive like that, ________, you’ll have an accident.

A．more or less

B．by and by

C．the more, the better

D．sooner or later

________ I’m sorry I can’t join you in the travel.

A．What a shame!

B．Never mind.

C．Why not ask others?

D．Not at all.

That’s one of the things which Heath,________, had a clear idea about.

A．who I do not like

B．which I do not like

C．I do not like him

D．I do not like it

—— Would you mind if I opened the window in the north wall?

——________, I’m afraid the north wall is too strong.

A．Better not

B．No, go ahead

C．Yes, please

D．Certainly not

So far he hasn’t had any success; ________ he will keep trying.

A．whatever

B．whichever

C．whoever

D．however