_______ the satisfaction of our customers, the products worked very well.
| A．With | B．For | C．At | D．To |
—The play is seldom put on here,is it?
—_________.Only once three weeks ago.
| A．No,it isn’t | B．Yes,it is | C．Yes,it was | D．No,it is |
—Do you think I could borrow your dictionary?
—__________.
| A．Yes,you may borrow | B．Yes,you could |
| C．Yes,help yourself | D．Yes,go on |
—What about having a drink?
—_________.
| A．Good idea | B．Help yourself |
| C．Go ahead,please | D．Me,too |
—Hello,may I have an appointment with the headmaster?
—_______.
| A．Sorry,he is busy at the moment | B．No,you can’t |
| C．Certainly.Wait a minute,please | D．Let me see |
—I’m entering for the 400-meter race.
—__________.
| A．Congratulations | B．Enjoy yourself |
| C．Good luck | D．Wonderful |