--Who's the man shaking hands with our headmaster?--A scientist ____________ to give us a talk on the history of the Party.
We are confident that the environment ________ by our further efforts to reduce pollution.
— Where did you find the professor who made the speech yesterday? — It was in the hall_______ the students often have a meeting.
When I first met Mary I didn’t like her, but I ________ my mind.
I ________ myself more— it was a perfect day.
_______ at the cafeteria before, Tina didn’t want to eat there again.