Question

【题目】You'd better _______ under the tree when it is raining in summer. It's dangerous.
A.not stand
B.stand
C.not to stand
D.to stand

Answer 1

【答案】A
【解析】句意：夏天下雨的时候，你最好不要站在树下，很危险。had better do sth最好做某事；其否定式：had better not do sth最好别做某事。所以答案是A。