【正文】
I She\ He\It We\They\You am is are + 動(dòng)詞 ing . + 動(dòng)詞 ing. + 動(dòng)詞 ing. 中小學(xué)課件 In this photo It is snowing. 中小學(xué)課件 They In this photo are dancing. 中小學(xué)課件 drink make a snowman play football watch TV 中小學(xué)課件 Do exercise in class. ? 用所給詞的正確形式填空。 ? 1. I am (swim )now. ? 2. He (be) doing homework now. ? 3. We are (look at) some ducks. ? 4. The sun is (shine). ? 5. The boys