— Are you sure the delegation will come to our school next week?
— ______. The head of it has just emailed me about the departure time of their flight.
| A．No wonder | B．You bet |
| C．Don’t mention it | D．Definitely not |
This is the desk, ______desk is broken.
| A．whose | B．of which | C．which | D．that |
This summer North China was attacked by such a terrible heat few people has ever experienced before.
| A．that | B．and it was | C．which | D．as |
One Friday,we were packing to leave for a weekend away my daughter heard cries for help
| A．after | B．while | C．since | D．when |
regular exercise is very important.It’s never a good idea to exercise too close to bedmme.
| A．If | B．As | C．Although | D．Unless |
Please call my secretary to arrange a meeting this afternoon, or ______ it is convenient to you.
| A．whenever | B．however | C．whichever | D．wherever |