The thought of taking the exam again_____me, because I often felt____when I failed.
A. depressing; depressed B. depressing; depressing
C. depressed; depressed D. depressed; depressing
He is so clever that he can solve ______ problems by himself.
A. a great many of B. a large amount of
C. a series of D. much
The police have found enough evidence ______ the murderer did on the scene.
A. what B. that
C. when D. how
Teenagers_____social experience, so they are easily ___ when they step into society.
A. lack; taken up B. lacking in; taken in
C. a lack of; taken up D. lack; taken in
It is said that ______ bridge was built in ______ Ming Dynasty.
A. a; a B. the; the
C. a; the D. the; a
假设你是李华，暑假参加了为期两周的“美国夏令营” 活动。期间你住在Richard夫妇家中，他们为你提供了吃、住、行及旅游方面的帮助。请写一封电子邮件感谢他们。内容需要包括以下要点：
已安全回到中国的家；
参加此次活动的收获；
3．感谢Richard夫妇的帮助。
注意：1.词数100左右；
2．开头结尾均已写好，不计入总词数。
Dear Mr. and Mrs. Richard，
How time flies!
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Best wishes to you.
Yours sincerely,
Li Hua
