题目内容
So, ________ the government has a good system of control or can educate the people, the forests will slowly disappear.
A.as long as | B.when | C.unless | D.every time |
C
解析
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题目内容
So, ________ the government has a good system of control or can educate the people, the forests will slowly disappear.
A.as long as | B.when | C.unless | D.every time |
C
解析