花多少时间做某事的英文

spend time doing

• 花:    flower; blossom; b ...
• 多少:    how many; how much
• 时间:    time; hour
• 做:    make; manufacture; ...
• 某:    certain; some

例句与用法

1. Somebody spends some time on something / ( in ) doing something
   某人花多少时间做某事。