试题详情
- 单项选择题Much time _____ sitting at a desk, office workers are generally troubled by health problems. ( 章节:1 难度:2)
A、being spent
B、having spent
C、spent
D、spending
- C
关注下方微信公众号,在线模考后查看
热门试题
A、being spent
B、having spent
C、spent
D、spending
关注下方微信公众号,在线模考后查看