黄河流域是中国文明的发祥地之一,“七大文化古都”中的五个,即()、()、()、()和()都位于其中。
参考答案:安阳;洛阳;开封;西安;北京
--Tom said their teacher speaks too quickly for him and Betty to understand.
--________ Mary and Bob said they could understand him.
A.Forget it!
B.Think nothing of it!
C.Really?
D.Never mind.