I want to return the book to Jack, but I can’t find him. He the library . you can find him there.A has been to B has gone to C has left D went to
The windows _______ after school is over.
I have _______washed my clothes.
In the past five years some new buildings _____ in our home town.
A young man ___ John _____ school recently.
–Have you studied English for a long time?--Yes, I have studied it ______.