Question

【题目】We'd better _____ the street when the traffic lights are red.
A.cross
B.not across
C.not cross
D.across

Answer 1

【答案】C
【解析】句意：当是红灯的时候我们最好不要过马路。固定搭配：had better do sth最好做某事，其否定式为had better not do sth最好别做某事。cross是动词，横穿；across是介词，横穿。根据语境，所以答案是C。