I was about to leave the office ______ an unexpected visitor came.
A. while B. as C when D. before
Was it ______ he was playing volleyball on the playground_________ he got hurt?
| A．that; when | B．when; that |
| C．that; where | D．where; that |
The owner of the mine was ____________ to twenty years because he had broken the law to employ children as miners.
| A．sentenced | B．trapped | C．sheltered | D．buried |
___________ I toured Zhangjiajie, I was deeply impressed with its beautiful scenery.
| A．For the first time | B．At first |
| C．It was the first time | D．The first time |
Full_________ to looking after three children at home, she no longer has time to enjoy the various activities in the club.
| A．attached | B．occupied | C．contributed | D．devoted |
Nowadays, a large number of women, especially those from the countryside, __________ in the clothing industry.
| A．is working | B．works |
| C．work | D．worked |