1.我们买这本书三年了.We()()the book for three years.1.我们买这本书三年了.We()()the book for three years.2.他感冒三天了.He()()a cold for three days.3.上星期我借的这本书.I()()the book(
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1.我们买这本书三年了.We()()the book for three years.1.我们买这本书三年了.We()()the book for three years.2.他感冒三天了.He()()a cold for three days.3.上星期我借的这本书.I()()the book(
1.我们买这本书三年了.We()()the book for three years.
1.我们买这本书三年了.
We()()the book for three years.
2.他感冒三天了.
He()()a cold for three days.
3.上星期我借的这本书.
I()()the book()last week.
4.我成为一个学生两年多了.
I()()a student()over two years.
5.Mr.Black死了三年了.
Mr.Black()()()()three years.
1.我们买这本书三年了.We()()the book for three years.1.我们买这本书三年了.We()()the book for three years.2.他感冒三天了.He()()a cold for three days.3.上星期我借的这本书.I()()the book(
.我们买这本书三年了.
We(have )(had )the book for three years.
2.他感冒三天了.
He(has )(had)a cold for three days.
3.上星期我借的这本书.
I(have )(kept )the book(since )last week.
4.我成为一个学生两年多了.
I(have )(been )a student(for )over two years.
5.Mr.Black死了三年了.
Mr.Black(has )(been )(dead )(for )three years.
注:注意终止性动词与持续性动词在现在完成时中的用法;另外for +一段时间; since +过去的时间点/从句