Is he jumping ?, Yes , he is ., No, he isn't ., Yes, she is ., Are they drawing ? , No, they aren't., Yes, he is ., Yes,they are ., Is a duck walking ? , Yes, he is ., No, it isn't ., Yes, it is ., Is she climbing a tree?, Yes, she is ., No, she isn't., Yes, he is ., Is it flying ?, No, it isn't ., Yes, it is ., Yes, the are ..

Present Continuous

由
列印
嵌入

排行榜

視覺風格

選項

切換範本

)
恢復自動保存: ?