题目内容
“What are Mr and Mrs Black doing?” “They ________ the garden.”
[ ]
A.are cleaning
B.cleaned
C.clean
D.cleaning
答案:A
解析:
解析:
|
(此句是用现在进行时态提问的句子,回答也应该用现在进行时态.D项不合语法,故答案为A.) |
练习册系列答案
相关题目