Question

It was getting dark, but the little boy didn’t know______________.

A．who can he ask for help

B．what was wrong with the bike

C．where can he go to mend the bike

D．if he could arrive home on time or not

Answer 1

B

试题分析：句意：天变黑了，但是这个小男孩不知道自行车出什么毛病了。宾语从句中要用陈述语序，A和C为疑问语序，可排除；D项中的if多与or not连用，表达是否；故选B。