问题补充:
—How long you in Singapore?
—For just the weekend. I’ll be back next Monday morning.
A. have; stayed
B. are; staying
C. did; stay
D. do; stay
答案:
A. have; stayed
(答案→)B. are; staying
C. did; stay
D. do; stay
解析:上文意思是,你将在新加坡待多久?下文意思,就这个周末。下周一早晨我就回来了。表示按计划或安排将要发生的动作,用现在进行时表将来,故选B。