现在完成时专练一. 用所给词的适当形式填空1
I won’t go to see the film, because I __________ (lose) my ticket
I ________ already _________ (write) a letter to my aunt, I ______ (write) it last week
Brown__________ (be) in this school since two years ago
How many interesting places _______ you __________ (travel) in your life
The river _______(be) dirty since the paper factory opened in 1998
---- What _______ she ________ (do) with the lost book
-----She’s returned it to Granny Li
------ ________ you _______(clean) the room yet
------Yes,I _______(clean) the room yesterday
I can’t play football with you because I ____________ (not finish) my homework yet
二. 选择括号中所给词填空
Mr Wei __________(has taught / taught) in this school for many years
Liu __________(has been / was) in our school for a