Question

1. It's very important for us to draw a clear        between right and wrong.

   A. attention   B. difference

   C. distinction   D. conclusion

Answer 1

1. C draw a distinction between right and wrong 意为"明辨是非"。 difference则与tell搭配：tell the difference between A and B;attention意为"注意"，conclusion意为"结论"，均与题意不符。