________, 200 students went for the picnic, ____ some from No.2 High School.
| A．By total, includes | B．In total, included |
| C．Total, including | D．In total, including |
—What do you think of teacher，Bob?
—I find it fun and challenging.It is a job ________ you are doing something serious but interesting.
| A．where | B．which | C．when | D．that |
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 |