问题补充:
—Alice promised me to come round to keep you company today.
—But she . Ive been alone all day.
A. won
B. hadn
C. hasn
D. doesn
答案:
A. won
B. hadn
(答案→)C. hasn
D. doesn
解析:C考查时态。句意:“爱丽丝向我保证今天过来陪你。”“但她还是没有来。我一整天都是一个人。”现在完成时表示动作到现在已经完成。she hasn come表示“她到现在都还没有来”,符合题意。