问题补充:
I asked him to come at seven o’clock, but he . It’s already eight o’clock.
A. didn’t show off
B. didn’t show up
C. hasn’t shown up
D. hasn’t shown off
答案:
A. didn’t show off
B. didn’t show up
(答案→)C. hasn’t shown up
D. hasn’t shown off
解析:考查时态。句意:我要求他7点到的,但是到现在为止他还满意出现。已经8点钟了。故C正确。