_____exciting news you've given us!
A.What B.What an C.What a D.HOW
答案上是A,但为什么不是B呢,
I always get up late ______Sunday mornings.
A.in B.on C.at D.from.
这里答案上是B,不是说有日期才用on吗.为什么直接就用On了.