－Hello，may I have an appointment with the doctor?
－______
A. Sorry，he is busy at the moment.
B. Why did’t you call earlier?
C. Certainly，may I know your name?
D. Sorry，he doesn’t want to see you.
It has something to do with the part electricity ______ in our life.
A. plays B. gives
C. takes D. makes
One should speak clearly and it is the same ____ writing.
A. to B. with
C. as D. that
You should try to get a good night’s sleep ______ much work you have to do.
A. however B. no matter
C. although D. whatever
He would’t leave the TV set，______ he was going to have an important exam the next day.
A. even if B. as if
C. as though D. even so
______ which direction should we go，west or east?
A. On B. To
C. In D. With
