【题目】Our teachers ________ themselves heart and soul into their work of bringing up a new generation.

【题目】While waiting for the opportunity to get , Henry did his best to perform his duty.

【题目】He kept silent over the matter because he had no intention to risk _____________ in it.

【题目】Spelling Bee is a contest _______ competitors, usually children, are asked to spell as many words as possible.

【题目】The air was f（芳香的） with the smell of orange blossoms.

【题目】In the spoken English of some areas in the US，the “r”sounds at the end of the words________.

【题目】The school has a system of r and punishments to encourage good behavior.

【题目】Some people who don’t like to talk much are not necessarily shy; they __________ just be quiet people.

【题目】—Has she recovered?

【题目】John’s success has nothing to do with good luck. It is years of hard work __________ has made him what he is today.