问题补充:
Glad to see you back. How long in Russia?
A. did you stay
B. have you stayed
C. were you staying
D. have you been staying
答案:
(答案→)A. did you stay
B. have you stayed
C. were you staying
D. have you been staying
解析:
试题分析:考查动词时态。从语境可知对方已经从俄罗斯回来了,所以在俄罗斯的停留应该是过去的动作。故A 选项正确。句意:见到你回来很开心。你在俄罗斯待了多久呢?