Question

During _________ 3-day conference, global warming became _________ major concern of all the representatives.

A．the; a

B．a; the

C．the; \

D．a; \

Answer 1

A

本题考查冠词。the 3-day conference特指的3天的会议，故用the, a major concern一项关注的焦点，泛指，故选A。