－Could you do me a favor?

－It depends on ________ it is．

A．which

B．whichever

C．what

D．whatever

It is generally considered unwise to give a child ________ he or she wants．

A．however

B．whatever

C．whichever

D．whenever

She sat in a chair ________ the letter and ________ to herself．

A．to read; smile

B．read; smiled

C．reading; smiling

D．to read; to smile

________ anything about the accident, he went to work as usual．

A．Not know

B．Know not

C．Knowing not

D．Not knowing

________ is mentioned above, the number of the students in senior high school is increasing．

A．Which

B．As

C．It

D．That

She tore up my photo, ________ made me very sorry．

A．it

B．which

C．this

D．that

Without electricity, human life ________ quite different today．

A．is

B．will be

C．would have been

D．would be

________, I would go there myself．

A．I were you

B．If I were you

C．If I am you

D．If I had been you

He did it ________ it took me．

A．one-third a time

B．one-third time

C．the one-third time

D．one-third the time

What you have bought in the mall is ________ mine．

A．three times as much as

B．as three times many as

C．as many three times as

D．three times as many as