[ Preposition ]
We’ve been accustomed ….. studying only half an hour.
A. to
B. with
C. of

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Grammar › ViewI have art class on Monday and Tuesday. I have to do art work __________ a week.
A. once
B. twice
C. every day
D. three times
Grammar › View
Professor Brown’s presentation was very easy to follow. As a result, only ……………students had questions at the end.
A. a few
B. a little
Grammar › ViewThey __________ a new house in the suburbs.
A. have
B. has
C. having
D. had to
Grammar › View
Don’t forget _____ the door when you leave the room.
A. close
B. closed
C. to close
D. closing
