英语句型转换：改为否定句1.There is a very high waterfall in Venezuela. 2

1.There isn't a very high waterfall in Venezuela.2.Egypt doesn't have a very long river.3.She doesn't do her homework every day.4.l don't come to school by bus.5.She can't swim very well.

1.There isn't a very high waterfall in Venezuela. 2.Egypt doesn't have a very long river. 3.She doesn't do her homework every day. 4.l don't come to school by bus. 5.She can't swim very well.