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Which of the following is NOT mentioned as a cause of the pr
Which of the following is NOT mentioned as a cause of the problem discussed in t
根据下列材料，回答题How did the author do on the first day he arrived
根据下列材料，回答题How did the author do on the first day he arrived at the swimming pool
请在40处填写答案。（ ）
请在40处填写答案。（ ）
-20，12，8，-16，36，-44，（ ）
-20，12，8，-16，36，-44，（ ）
I like you, Tom. Lot' s __________ good friends.
I like you, Tom. Lot' s __________ good friends.