问题
选择题
_____ to get there before noon, the postman set off in spite of the heavy fog.
A.Promising
B.To promise
C.Having promised
D.Promised
答案
答案:C
考查分词用法。Promise与the postman构成主动关系,而且promise发生在set off之前,所以用完成时。句意:已经答应在中午之前到那里,邮递员不顾大雾就出发了。