[ Grammar ]
_______ water is safer to drink.
A. Boiling
B. Boiled

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Modal Verbs & Time Prepositions › ViewSelect the correct time preposition: The concert starts ___ 8 o’clock.
A. by
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Grammar › View
_______ you a doctor when you ________ in London?
A. Were; lived
B. Did; live
C. Were; did leave