1.While still a student,she played roles in many plays.(1)While still a student相当于While she was still a student。在英......

1.ff you go to the party,you'll have a good time....

点击重点1 I am watching TV．突破难点：①be doing sth．是现在进行时的构成形式。be(am、is、are)是助动词，doing是现在分词。如：......

1.-Do you have a baseball bat2你有棒球球拍吗？-Yes，I do．是的,我有。这是一般疑问句，do是助动词，可以帮助行为动词构成疑问句和否定......