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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
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So, ________ the government has a good system of control or can educate the people, the forests will slowly disappear．
- A.if
- B.when
- C.unless
- D.whether
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
查看习题详情和答案>>So, the government has a good system of control or can educate the people，the forests will slowly disappear．
A．if B．when C．unless D．whether
查看习题详情和答案>>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 |