Question

The teachers agree that it is useful for students to tell regular verbs ________ irregular ones．

1. A.
   for
2. B.
   out of
3. C.
   in
4. D.
   from

Answer 1

D
tell…from…表示“把……区分开来”。这句句子的意思是“这些老师认为把规则动词和不规则动词区分开来对于学生是很有用的。”