Sarah felt like when she found out that she had been chatting online with a boy student of her same class.
One way to understand thousands of new words is to gain __ good knowledge of basic word of formation.
Jumping out of __ airplane at ten thousand feet is quite __ exciting experience.
I don’t like talking on __ telephone; I prefer writing __ letter.
A bullet hit the soldier and he was wounded in __ leg.
The warmth of __ sweater will of course be determined by the sort of __ wool used.