It is required in the library regulations that any book borrowed __________ by due time, or the borrower will be fined.
Would you please send your daughter ___ me at the station.
Mr. Crossett ___ his old friend when they met at the railway station.
All over the world __ people take part in different kinds of sports.
___ from the hill, our school looks very beautiful.
Is this museum ___ some foreign friends visited that day?