From his ____ look, I knew that the questions during the interview were ______.
| A．puzzling; puzzled | B．puzzled; puzzling |
| C．puzzling; puzzling | D．puzzled; puzzled |
E-mail, as well as telephones, _____ an important part in daily communication.
| A．is playing | B．have played | C．are playing | D．play |
The water will be further polluted unless some measures______.
| A．will be taken | B．are taken | C．were taken | D．had been taken |
---Excuse me, sir, is this seat taken?
---_______.
| A．Sure, you may take it | B．Certainly. Help yourself |
| C．No. I don’t think so | D．No. I don’t hope so |
--- Do you think Bob will attend the meeting this afternoon?
--- ______．
| A．I hope not | B．I don’t hope so | C．I don’t think it | D．I hope he would |
The committee asked for these suggestions to be ______ on paper, so that they might study them further．
| A．brought down | B．handed down | C．laid down | D．put down |