题目内容
It is known to all that ________ you exercise regularly, you won’t keep good health．
[ ]
A．
unless
B．
after
C．
what
D．
when
答案：A
解析：
解析：
|
unless意为“若非……除非……”。 |
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题目内容
It is known to all that ________ you exercise regularly, you won’t keep good health．
unless
after
what
when
|
unless意为“若非……除非……”。 |