be 后能不能直接加介词?the longest unbroken border in the world is that between canada and the united states 句中的后面的那个that 可以省略不?
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be 后能不能直接加介词?the longest unbroken border in the world is that between canada and the united states 句中的后面的那个that 可以省略不?
be 后能不能直接加介词?
the longest unbroken border in the world is that between canada and the united states
句中的后面的那个that 可以省略不?
be 后能不能直接加介词?the longest unbroken border in the world is that between canada and the united states 句中的后面的那个that 可以省略不?
不可以啊.that指代的是前面的the longest unboken border.最长的是哪一条呢,就是那一条
有时可以省略,有时不可以.
还有这里That 不是介词,是表语从句的引导词
由that引导的表语从句如：
The trouble is that he misunderstood me.麻烦的是他误解了我 that是不可以省的
有时,引导表语从句的连词that可以省略
The truth is (that) I didn’t finish my term e...
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有时可以省略,有时不可以.
还有这里That 不是介词,是表语从句的引导词
由that引导的表语从句如：
The trouble is that he misunderstood me.麻烦的是他误解了我 that是不可以省的
有时,引导表语从句的连词that可以省略
The truth is (that) I didn’t finish my term essay. 事实是我没有写完学期论文。
表语从句中应注意：
1. 连接词that一般不能省略，但当主句中含动词do的某种形式时，that可以省略。如：
What I want to do is (that) I can go up to him and thank him. 我想做的事是走到身边去感谢他。
2. 当句子的主语是：advice, demand, decision, desire, idea, insistence, instruction, order, plan, proposal, recommendation, request, requirement, suggestion, wish等名词时，表语从句须用虚拟语气，即：should +do。如：
My advice is that you should go to apologize to him. 我的建议是你应该去向他道歉。
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可以，我认为吧。that 后面是加一个句子，而文中between canada and the united states
没有主语，所以可以去掉
be后面能接介词
that可以省略