—How long will you be staying?
—I don't know.______.
A．That's OK B．Never mind
C．It depends D．It doesn't matter
________，people in the south like rice while people in the north like wheat.
A．In general B．In common
C．To be honest D．Worse still
—Have you finished doing all the exercises the teacher gave you yesterday?
—Yes，completely.________ is left.
A．None B．Nothing C．No one D．Neither
—I'm going to attend your lecture at 9∶30 tomorrow morning.
—I regret to tell you that. When you arrive, it will have ended and I ________ questions with my students.
A．would discuss B．will discuss
C．will be discussing D．am discussing
—You're coughing badly，Martin. Why not give up smoking?
—Give up smoking？Easier said than done，Amy. Once you ______ the habit of smoking，it is very hard for you to ______.
A．keep up; break it away B．take up; drop it out
C．pick up; get rid of it D．build up; do away with it
Nowadays，within a short walk along a busy street，you are ________ to find a chain store ______----a fastfood restaurant，a bakery，or a supermarket.
A．probable; some kinds B．likely; of some kind
C．possible; some kind of D．unlikely; some kind of
