We should follow one of the terms in the contract signed by the employer and the employee _______ a one-week notice should be given if an employee is to be dismissed.
| A．that | B．which | C．when | D．who |
—Oh, ________ air is so bad. Shall I open the windows to let in ________ fresh air?
—Ok, thank you.
| A．the; any | B．/; any |
| C．the; some | D．/; some |
In some places women are expected to earn money ________ men work at home and raise their children.
| A．but | B．while | C．because | D．though |
There were some chairs left over ________ everyone had sat down.
| A．when | B．until | C．that | D．where |
—Are you ready for Spain?
—Yes，I want the girls to experience that ________ they are young.
| A．while | B．until | C．if | D．before |
We'll have a picnic in the park this Sunday ________ it rains or it's very cold.
| A．since | B．if | C．unless | D．until |