题目内容
1.We all know it’s ______ to build Rome in one day. (possible)
2.I’m sure it’s necessary for us to behave _____ in public. (polite)
3.Look! Many people are ______ up the litter in the park now. (pick)
4.We didn’t know the result because it was still under______. (discuss)
5.Harry Potter series has been translated into many languages and it’s got a great ______. (successful)
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