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Mobile phones Orange juice. Candy Sandwiches
has been to has gone to has left will leave
can; must can; cant may; mustn′t must; can′t
can afford the rental fee attends certain coursed has nowhere to put his books has earned the required credits
read in a quiet place have group discussions take comfortable seats get their computers fixed
Excuse me I’m sorry Thank you You’re right
NO PHOTOS KEEP QUIET NO PARKING STOP
help students with their field experiments contain software essential for schoolwork are for those who wan to access the wi-fi are mostly used for filling out application forms
may not can’t needn’t mustn’t
not to talk don’t talk not talk aren’t talking
group must consist of 8 people Three-hour use per day is the minimum One should first register at the university Applicants must mark the room on the map
has been to has gone to has left will leave
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