Arrive late once more _____ you will be fired.

A．and

B．but

C．so

D．or

_______ he said in the wedding ceremony moved everyone present.

A．How

B．That

C．What

D． Which

We’ve given her some advice, but I don’t know________ she’ll accept it．

A．what

B．where

C．whether

D．Which

________you never plan to visit the polar bears in the North Pole or the penguins in the South Pole，now it is the proper time to start thinking about that.

A．Until

B．Unless

C．As long as

D．Even if

Liao Fan, a Chinese actor, finally got to know     real success tastes like when he won the prize for Best Actor at the 64th Berlin film festival.

A．when

B．how

C．what

D．where

Some friends persuaded me to apply to a combined M.D/Ph.D program ________ I could work in areas that wouldn’t be as open to me with only a Ph.D.
A. even if          B. so that          C. as if               D. in that

_______ you are supposed to do is _______ it if you don’t like a thing. Don’t complain.

A．That; change

B．When; to change

C．What; change

D．What; changing

—People often don't appreciate what they have, do they?
—No, _____ they lose it.

A．if

B．after

C．when

D．until

Mother was busy washing dishes ________________ Father was watching TV．

A．until

B．if

C．since

D．while

The boy was so tired that he fell asleep _____________ his mother could take off his clothes．

A．before

B．after

C．while

D．where