阅读对话,用所给动词的适当形式填空
问题描述：
阅读对话,用所给动词的适当形式填空
1.A:____the train____?(arrive) B:Yes,it____.
A:When____it____?(arrive) B:Half an hour ago.
2.A:How many times____ the doctor____(be) to America?
B:He____(be) there three times.
A:When____ he ____(go) there?
B:He____(go) there in 2000,2003 and 2006.
【直接写出要填的词】
答
1.A:_Has___the train_arrived___?(arrive) B:Yes,it_has___.A:When_did___it__arrive__?(arrive) B:Half an hour ago.2.A:How many times_has___ the doctor_been___(be) to America?B:He_has been___(be) there th...