新概念英语第一册相关练习题——求答案

题目

新概念英语第一册相关练习题——求答案
1.I am going to buy a drink,then we can decide where _______________(have) dinner.
2.Twenty years ________(pass) since I came here.
3.How long _______ you ________ (work) in this factory?
句型转换 Ian has been for twenty years.(同义句)
It is twenty years ________ Ian ________ here.

答案

1.to have
2.has passed
3.have worked
4.since； came