1.He ____(know) a lot about Europe.Let's go and ask him.
1.He ____(know) a lot about Europe.Let's go and ask him. 2.I ____(be) to Paris twice,but I have never been to London. 3.The teacher ____(walk) into the classroom with a book in his hand.Be quiet! 说明道理,
1.He (knows) a lot about Europe.Let's go and ask him. 一般现在时,用第3人称单数 2.I (have been) to Paris twice,but I have never been to London.我去过巴黎2次,已经回来,所以用完成时 3.The teacher (is walking) into the clas...
1.He _KNOWS a lot about Europe.Let's go and ask him. 一般陈述句,用第三人称单数 2.I HAVE BEEN to Paris twice,but I have never been to London. 表示去过某地,用have been to somewhere, 表示去了某地,用have gone to.