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
正确答案:C
答案解析:有
微信扫一扫手机做题
Much time _____ sitting at a desk, office workers are generally troubled by health problems. ( 章节:1 难度:2)
微信扫一扫手机做题