1. The good result ___________the correct methods, that is to say, correct methods ___________good result.

A. lies£»lead       B. leads to£»lie in C. lies in£»lead to D. lies to£»lead to

2. You need rest to ___________your strength after your illness.

A. set up           B. bring up         C. build up         D. take up

3. Please tell me how the accident _____. I am still in the dark.

A. came out         B. came by          C. came across      D. came about