Question

--Haven't seen you for ages！where have you been？ ---I____ in xinjiang for one year, volunte

--Haven't seen you for ages！where have you been？

---I____ in xinjiang for one year, volunteering services as a doctor.
A. Have stayed. B.stayed
AB中应该怎么选

Answer 1

选B
解析：根据这两个人的对话和语境可以知道第二个人之前去了新疆服役一年，现在已经不在新疆了，所以他服役是过去的事，所以用过去时就可以了。如果用A线在完成时的话意思是现在还在服役。