of danger in the street at night, she had to go home, with a friend her.
| A．Warned; accompanied | B．Having warned; accompanying |
| C．Warning; accompanying | D．Having been warned; accompanying |
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 |
volleyball is her main focus, she’s also great at basketball.
| A．Since | B．Once | C．Unless | D．While |