Nowadays everything strange is ________ strange. That is to

Doctors should take special care when treating children because their breathing rate is different from _____ of adults．

A：that

B：those

C：some

D：one

When you are done with the book, just give it to Lucy or Helen or ________.

A：wherever

B：whoever

C：whatever

D：however

_______ is very important for us students to learn English well.

A：It

B：As

C：What

D：There

You are a team star! Working with ___ is really your cup of te

A：A.both

B：either

C：others

D：the other

The doctor thought        would be good for the patient to drink more water.

A：this

B：that

C：one

D：it

.---- Mom,I saw some red new mountain bikes in that shop today.---- Why not buy______?

A：one

B：it

C：that

D：the one

Of the two brothers, Bill is ______ younger one, and he is a quiet boy, ______ that most adults like very much.

A：a; one

B：a ; the one

C：the; one

D：the ; the one

----I’ve finished cleaning all the furniture in the room.----I don’t think so. What about ____ on the balcony?

A：the one

B：it

C：that

D：those

I’m moving to the countryside because the air there is much fresherthan       in the city.

A：ones

B：one

C：that

D：those

The threats to the health of astronauts in space are very different from ______ on earth.

A：ones

B：that

C：it

D：those