单项选择题
The bicycle you referred to isn"t ______. It belongs to ______.
单项选择题 —I thought you were going to the mountains last week.—I"d want to, but I was ______ busy to leave.
单项选择题 That young man has made so much noise that he ______ not have been allowed to attend the concert.
单项选择题 The kite flew ______ in the sky and everyone spoke ______ of it.