Units5-6相关论文
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:......