[ Preposition Form ]
Choose the correct option to fill in the blanks with suitable prepositions.
The Secretary-General presided _________ all the meetings of the United Nations.
A. under
B. on
C. by
D. over
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Grammar › ViewCloth is sold ___ metre.
A. Of
B. By
C. Off
D. None of these
Past Tenses › View
My sister … (do) the laundry since early morning.
A. had done
B. did
C. was doing
D. had been doing