问题
选择题
On seeing Jay Chow appear on the stage, the audience ______ cheering.
A．burst into
B．burst out
C．burst in
D．burst on
答案
答案：B
题目分析：考查固定词组。固定词组突然…起来burst into+名词；burst out doing；本题横线后面给出cheering,说明前面是burst out,故B正确。
点评：突然…起来burst into+名词；burst out doing；