英语问题！！！！太急了！！！！
选择正确的答案：
1.I_____never_____such an interesting film before.
A have...seen B had...seeing C am...seeing D did...see
2.In the past few years,they_____a lot of work.
A did B do C doing D have done
3.I have tried_____.
A last year B once C five days ago D never
4.The Wangs_____here for years.
A is living B have lived C has lived D will hear
5.-How long have you_____the book?
-For a week.
A borrowed B kept C lent D bought
参考答案:1.A 看到before 现在完成时
2.D 看到in the past few years,就用现在完成时
3.B AC的话I tried D只有I have never tried before
4.B 看到for years,现在完成时
5.B ACD为瞬间性动词 这里说“多久了”，是连续的一段时间