It is necessary that a person _____ exercise every day if he wishes to be healthy.
A: does
B: did
C: do
D: takes
A: does
B: did
C: do
D: takes
举一反三
- Our monitor takes exercise every day, for he believes that enough exercise can keep him () . A: healthy B: excited C: polite
- The old man does exercise every day to keep ______. A: health B: healthy C: healthily
- _____ he come to school the day before yesterday? A: Does B: Do C: Did D: did
- We do need to spend all day doing exercise to keep healthy.（ ） A: 对 B: 错
- -The old man looks healthy. -Yes. He________ some running after he gets up. A: does B: did C: has done D: will do