油层分布状况、油层性质基本相同,并在一套相似的沉积环境下形成的油层组合是()。
A、单油层
B、隔层
C、油层组
D、夹层
参考答案:C
He kissed his wife and then ______ goodbye _____ her when he left home.
A.say, to
B.said, to
C.spoke, to
D.told, with