用动词的第三人称单数、过去式以及否定形式填空。(每空一词) 例:clean Sun Fan cleans his room. Sun Fan cleaned his room. Sun Fan didn’tclean his room. 1.play Zhang Meng ________ with her toys. Zhang Meng ________ with her toys. Zhang Meng ________________ with her toys. 2.stay He________ at home. He________ at home. He ________________ at home.