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3.  Miss Smith____________ (deal) with lots of letters and emails just now.

2.  The little boy felt too sleepy to stay_____________ (wake).

1.  Mr. Brown is kind enough to give us lots of_______________ (value) information.

5.  Our maths teacher never smiles and he is the______________ (嚴(yán)厲的)of all the teachers.

8.我經(jīng)常懷疑是否值得花這么多時間練習(xí)彈鋼琴。

I often doubted__time practising playing the piano.

4.  She___________ (懷疑)if the news was true, but she said nothing.

3.  Can you___________ (想象)what our city will be like in 100 years?

2.  Thank you for your           (建議).They're very useful to me.

7.我確實不知道怎樣處理這個問題。

I really don’t know___the problem.

1.  One of the           (原因)of the traffic accident was the carelessness of the driver.