题目内容

用所给词的适当形式完成下列句子。
1. We need to be more________ (science) about this problem.
2. Dark sunglasses are used for________ (keep) out the strong sunlight.
3. I am nearly________ (confuse) about the ________ (confuse) traffic signs.
4. Why not consider ________ (change)a job?
5. I sometimes felt ________ (embarrass) when speaking in front of many people.
l. scientific   2. keeping   3. confused; confusing  
4. changing, 5. embarrassed
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