A-A+
Because of the unexpected changes they postpo
问题详情
Because of the unexpected changes, they postponed ______ us an answer.
A．giving
B．have given
C．to give
D．to have given
参考答案
正确答案：A
解析：题型：词汇题。postpone延缓，耽搁，后接动名词作宾语，比如：postpone sending an answer暂缓答复。
