单项选择题
A professional degree will （） an average annual income of about twice that of college graduates.
A.feellike B.resultin C.holdon D.keepto
单项选择题 The waiters will refill your coffee cup several times for no extra（）.
单项选择题 The Atlantic hydrographic chart is being （） continuously; even as we speak submarines are charting the Arctic basin under the ice.
单项选择题 The speaker is the person who （） a speech transaction.
