That is one of those books that ________ worth reading．

A．is

B．are

C．has

D．have

________ is often the case, he is absent again．

A．What

B．Which

C．Who

D．As

You must show my wife the same respect ________ you show me．

A．when

B．as

C．whose

D．what

We should read such books ________ will make us better and wiser．

A．when

B．as

C．whose

D．what

He studied hard and later became a well-known writer, ________ his father expected．

A．that was what

B．what was that

C．and which was

D．which was what

________ was expected, he succeeded in the exam．

A．It

B．Which

C．As

D．That

During the week ________ he tried to collect materials for his article．

A．following

B．followed

C．to follow

D．that followed

He failed in the exam, ________ proves that he wasn't working hard enough．

A．which

B．what

C．it

D．that

Do you know the reason ________ she has changed her mind?

A．why

B．which

C．for that

D．of which

I have bought two pens, ________ write well．

A．none of which

B．neither of which

C．both of which

D．all of which