—Davidpromisedtocomeroundtohavesupperwithustoday.—Buthe...

问题详情：

— David promised to come round to have supper with us today.

— But he ____. I’ve been alone for half an hour.

A. won’t         B. hadn’t          C. hasn’t                         D. doesn’t

【回答】

A

知识点：动词时态

题型：选择题