Mark:I'vegotalotofexercisethesedays,butstillcan'tlosewe...

问题详情：

Mark: I've got a lot of exercise these days, but still can't lose weight.

Doris:Exercise is not enough. You should also ______. Eating the right foods is very important for weight control.

eating

t an exercise class

some medicine

on a diet

【回答】

D

知识点：动词和动词短语

题型：选择题