【题目】—What ______ the twins ______ now? ( )
—They are ______ TV.
A.are; doing; watching B.is; doing; watch C.are; do; watching
【答案】A
【解析】
略

【题目】—What ______ the twins ______ now? ( )
—They are ______ TV.
A.are; doing; watching B.is; doing; watch C.are; do; watching
【答案】A
【解析】
略