单项选择题
I thought it over, but （）come to no conclusion.
A. can B. could C. should D. would
单项选择题 —Let me tell you something about the journalists. —Don’t you remember （）me the story yesterday
单项选择题 A person （）a foreign language must be able to use the language （）all his own.
单项选择题 While building a tunnel though the mountains, ______.
