My classmate has some trouble _____ spelling some of the words in American English while I have some difficulty _____ pronunciation.

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I was just talking to Margaret when Jackson ________.

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--Shall we ________ our discussion and have some tea, please?

--Good idea.

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You've been working so hard for nearly a month. Relax yourself, or you will ________ sooner or later.

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It wouldn't do him any ________ to have to work harder.

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He came to my class every week, but his attitude ________ he was not really interested in the subject.

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This kind of animal is able to protect itself from danger in many years. ________ the colouring of its hide makes it almost invisible when it is feeding in the shadow of trees.

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Being ill, Mary had to telephone her boss to ask for two weeks' ________.

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As we joined the big crowd I got ________ from my friends.

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We should ________ the government of the people, by the people and for the people.

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