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【題目】Soon they got to the bank. _______ stood a big pine tree.

【題目】It was quite a serious mistake, _______ caused by carelessness.

【題目】I am so glad that I have found the same modern computer _______ I am working on.

【題目】Which of the following is correct?

【題目】The city is famous _______ its 18th-century architecture.

【題目】Gone are the days _______ we spent happily together at the middle school.

【題目】He made another wonderful discovery, _______ of great importance to physics.

【題目】Light blue is the best color _______ me.

【題目】Have you ever asked her the reason _______ may explain her absence?

【題目】Sally is one of the four daughters _______ high education.