I’ll never forget the good trick my classmates ________ on me when I was in the primary school.
Children should be taught at an early age to keep ______even in a difficult situation.
What great trouble we had _________ where his house was.
--Shall I open the window? --I’d rather _________.
_____ to strong sunlight for a long time will do harm to your skin.
The teacher didn’t like______composition written by the new student because it didn’t make_______ sense.