Question

When the winter _____ , all the construction works in northern China have to be stopped .

A．sets off

B．sets out

C．sets aside

D．sets in

Answer 1

D

短语辨析。sets off出发，动身； sets out出发，陈述；sets aside留出，撤销；sets in到来，开始。句意：当冬天到来时，所有在北方的建筑工人不得不被停下来。联系语义可知选D。