Question

【题目】It's very useful to ______the correct answers next to the mistakes.
A.take away
B.look up
C.set up
D.write down

Answer 1

【答案】D
【解析】句意：把正确答案写在错误的旁边是有用的。take away拿走；look up查找；set up建起；write down写下。根据句意可知选D。