【题目】He promised that he ______ us in the party, but he hasn’t turned up until now.
A. will join B. had joined
C. would join D. has joined
在线课程【答案】C
【解析】
试题分析：句意：他答应将和我们一起参加聚会，但是直到现在他也没有出现 。A. will join 一般将来时； B. had joined过去完成时；C. would join过去将来时；D. has joined 现在完成时。题干中“答应”是一般过去时，过去答应将要做某事，应该用过去将来时。故选C。