---Where did you find the professor who made the speech yesterday?--- It was in the hall ____ the students often have a meeting.
We see the lightning ____ it happens, but we hear the thunder later.
I decided to pay a visit to my former teacher as soon as I ____.
. I like getting up very early in summer. The morning air is so good _________.
. My English teacher’s humor was _________ make every student burst into laughter.
I feel greatly honored _________ into their society.