—Imagineyouareoutsidewhen       earthquakecomes.Whatsh...

问题详情：

 —Imagine you are outside when        earthquake comes. What should you do?

— Go to        open space away from buildings or trees.

A. the; the                  B. the; an                     C. an; the                            D. an; an

【回答】

D

知识点：冠词

题型：选择题