if not 和unless的区别(初3上英语)用法上区别2.though laws(法律)heve been ___to control the population growth,in some place____is done to carry out the law.第一个空的选项:A pass B passed C broken D thought第2个;A many B

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if not 和unless的区别(初3上英语)用法上区别2.though laws(法律)heve been ___to control the population growth,in some place____is done to carry out the law.第一个空的选项:A pass B passed C broken D thought第2个;A many B
if not 和unless的区别(初3上英语)
用法上区别
2.though laws(法律)heve been ___to control the population growth,in some place____is done to carry out the law.
第一个空的选项:A pass B passed C broken D thought
第2个;A many B little C a lot D much
有点乱见谅~

if not 和unless的区别(初3上英语)用法上区别2.though laws(法律)heve been ___to control the population growth,in some place____is done to carry out the law.第一个空的选项:A pass B passed C broken D thought第2个;A many B
2.B 现在完成时的被动结构have been done,法律被通过(pass)了.
B 开头有个though表转折,虽然法律通过了,但是在有些地方却实施得很少.
至于if not 和 unless
我是按意思区分的.如果不 和 除非.
这样就能很好地分开.