这句话主干是:Another reason is (that).
is 后面是一个完整的句子做主句的表语,就是说,后面是that 引导的表语从句.
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.
这句话主干是:Another reason is (that).
is 后面是一个完整的句子做主句的表语,就是说,后面是that 引导的表语从句.
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.