用方框中所给单词的正确形式填空,使句子意思通顺、完整。 interestclimbinvite sweep learn 1. He ______________ the floor yesterday. 2. It's important __________-八年级英语


 try to(努力)与try +–ing(试验):
①You really must try to overcome your shyness.
②Try practicing five hours a day.

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