Question

用have的否定式和疑问式编对话.

Answer 1

----Have you ever visited New York?

你曾经去过纽约吗?

----No,I haven't.

不,还没去过.

These factories have been open for six years.

这些工厂开办已经有六年了.(工厂属可数名词)

I have drunk two bottles of water.

我已经喝了两瓶水了.(水属不可数名词)