题目内容
70,000 tons of ________ oil has poured out of the damaged tanker into the sea.
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He usually feels ill at ease _________.
It is necessary that a new president ________ to this college.
A topic sentence contains a _______ and the ________. In the topic sentence, don't refer to your own writing. That is, don't use such expressions like _______, ______, _______, etc.
Supporting details include ______, _______, _______, ______, ______, etc.
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