题目内容
What you when the earthquake happened?
A.were; doing | B.did; do | C.are; doing | D.would; do |
A
此题重点考查过去进行时的基本用法,表示过去某一时间正在进行的动作或存在的某种状态。
练习册系列答案
相关题目
题目内容
A.were; doing | B.did; do | C.are; doing | D.would; do |