As soon as she entered the room, the girl caught sight of the flowers _________ by her mother.
| A．buying | B．being bought | C．were bought | D．bought |
—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 |
—How would you like your coffee? —____.
| A．It’s well done | B．Very nice. Thank you |
| C．One cup. That’s enough | D．The stronger, the better |
—Can I help you, sir? —______.
| A．Yes, you can help me | B．No, I don’t need any help |
| C．Of course, if you like | D．No, thanks, I’m being served |
—Is the experiment easy? —____. I’ll just do my bit.
| A．I think so | B．Certainly | C．Not a little | D．Anything but |
. I am looking through the composition he just finished ___ the possible mistakes in it.
| A．correcting | B．to correct | C．corrected | D．correct |