问题
选择题
Don't sleep all day. You should _______ to keep fit.[ ]
A.not eat
B.to run
C.do many exercise
D.do morning exercises
答案
答案：D
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Don't sleep all day. You should _______ to keep fit.[ ]
A.not eat
B.to run
C.do many exercise
D.do morning exercises
答案：D