We found______ impossible to finish the work on time.

David is a great teammate. He knows well how to work with __________.

A：both

B：other

C：another

D：others

I want very much to buy a car, but I can’t afford ________.

A：one

B：it.

C：that

D：ones

------You ran into Mr. Li! How did that happen?------Well, _______ of us was looking where we were going. We came around the corner at the same time.

A：neither

B：either

C：both

D：None

This book teaches us how to analyze _______is causing the stress in our lift.

A：what

B：when

C：why

D：How

He didn’t make ____ clear when and where the meeting would be held.

A：this

B：that

C：it

D：these

Tom’s teacher kept on telling him to practise speaking English, but _______ didn’t work.

A：he

B：which

C：all

D：it

Didn’t    ever occur to you what the source of this saying I just quoted is?

A：this

B：it

C：that

D：one

Nowadays everything strange is ________ strange. That is to say, any unexpected thing is possible to happen.

A：something

B：anything

C：nothing

D：everything

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