两个例句:
1.He is as hard-working as me, so he made as much progress as me.
2.We have devoted twice as much time and energy as she did before.
第一个句子能不能把句尾改成I did,第二个句子句尾能不能改成her before.为什么。
as可以作介词或者连词,所以第一个句子能把句尾的me改成I did,前面的 is应该改为was;第二个句子句尾 did before应该用 has before 或者her before.