单项选择题
Though（）to see us,the professor gave us a warm welcome.
A.confusing B.confused C.was confused D.being confused
单项选择题 Although it seemed to be （） painful experience, he still found it （） fun.
单项选择题 The theme song of the movie---Fast and Furious7 sounds（）.
单项选择题 Without someone to（）for advice,completing this task can be difficult for Tom.
