The teacher has a(an) ___________ to get off topic; sometimes it is difficult for students to make out what he is saying.
-How could I thank you enough? -Don’t mention it. Any other man __________ that.
—There were not many people in the concert yesterday. —Pop music isn’t ________.
— Mike got “F” in his history test. 一 ? He has been working so hard on it.
— _________ was it _________ they discovered the entrance to the underground palace?— Totally by chance.
Mr. Wang made up his mind to devote all he could _____ his oral English before going abroad.