问题
选择题
On seeing the movie star appeared on the stage, the audience ________ cheering.
A.burst into
B.burst on
C.burst out
D.burst in
答案
答案:C
考查短语辨析。burst out 突然爆发,后跟doing,句意:一看到这位电影明星出出现在舞台上,观众们突然欢呼起来。所以选C。