一、写出下列动词的第三人称单数形式和现在分词。1. run2. shop3. watch4. study5. exercise6. swim二、用括号中所给单词的适当形式填空。1. Li Hua( do) his homework at home every day.2. Listen! The children( sing)happily in the classroom.3. Our class(start) at eight oclock every morning. Now its eight oclock.We(have) an English cl