Much time ()sitting at a desk, office workers are generally troubled by health problems.
A: being spent
B: having spent
C: spent
D: spending
A: being spent
B: having spent
C: spent
D: spending
举一反三
- Much time______________(spend) sitting at a desk，office workers are generally troubled by health problems.
- ______ (sit)at a desk for over 10 hours every day, office workers are generally troubled by health problems.
- （）all his money, Jamie had to borrow some from his parents A: Spending B: Spent C: Being spent D: Having spent
- At the beginning of test,I _______ too much time doing math. A: spend B: am spending C: spent D: have spent
- He gives people the impression ____________ all his life abroad. A: of having spent B: to have spent C: of being spent D: to spent