问答题 你(Li Yuan)下周一因为要去参加演讲比赛，不能上外教(Prof．Smith)的写作课。请给他写一封e-mail，内容包括：
·请假并表示歉意；
·解释不能上课的原因，如比赛的重要性；
·承诺会自学所缺内容并按时交作业；
·祝他愉快。

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Directions: In Bach of the following groups of words, there are four underlined

A game B late C trade D have

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Directions: In Bach of the following groups of words, there are four underlined

A there B thick C thank D thirty

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Directions: In Bach of the following groups of words, there are four underlined

A useless B endless C unless D hopeless

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Directions: In Bach of the following groups of words, there are four underlined

A cool B flood C food D moon

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Directions: In Bach of the following groups of words, there are four underlined

A easy B noisy C busy D fantasy

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This test is designed for students________native language is not English.

A whose B whom C to whom D to whose

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While________along the shore,I found a lot of sea shells.

A walk B walking C to walk D walked

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The sweater she received in the end differed________the one she had seen online.

A by B in C with D from

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There are numerous websites on the Internet________you can learn how to cook.

A that B when C where D which

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The writer's first book is________popular than his second one.

A so B less C such D much

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