What ____________doing? [ ]A. are theyB. do theyC. does theyD. they are-六年级英语
[ ]
A. are theyB. do theyC. does theyD. they are
题目简介
What ____________doing? [ ]A. are theyB. do theyC. does theyD. they are-六年级英语
题目详情
[ ]
A. are they
B. do they
C. does they
D. they are
答案