问题
选择题
—My sister finished school three years ago.
—What__________these years?
A．did she do
B．has she been doing
C．is she doing
D．does she do
答案
B
“这些年她都在做什么?”要用现在完成进行时来表示。
搜题请搜索小程序“爱下问搜题”
—My sister finished school three years ago.
—What__________these years?
A．did she do
B．has she been doing
C．is she doing
D．does she do
B
“这些年她都在做什么?”要用现在完成进行时来表示。
钠小球在水面四处游动，并发出“嘶嘶”声 