Emergency line operators must always___calm and make sure that they get all the information they need to send help.
| A．grow | B．appear |
| C．become | D．stay |
When you reach our company at 5:00 pm, I _______ there to discuss a problem with you.
| A．wait | B．have waited | C．was waiting | D．will be waiting |
---- Sorry, Liz. I think I was a bit rude to you.
---- _______, but don’t do it again.
| A．That’s right | B．Not at all | C．Take your rime | D．Forget it |
The biggest cities in Canada only have about six million people while _______ in China are much larger.
| A．these | B．those | C．ones | D．others |
____ with what the students had done, the teacher praised them highly.
| A．Delight | B．Delighting | C．Delighted | D．Being delighting |
you can borrow my caryou promise not to drive too fast.
| A．unless | B．even if | C．in case | D．as long as |