I was trying to pick up my hat that __________ off in the wind, but failed at last.A. had been blown . is blown C. blown D. it had been blown
They______ all their money, so they have to walk home.
Great changes_______ in the city, and a lot of factories_______.
---When did Kate’s grandma die? ---While the doctors______ on her.
---Who are you looking for? ---Mr White. ---Wait here for a while. The class meeting_______ over in half an hour.
If she’s not at home, you ______ try telephoning her at the office.