问题
选择题
When my mom saw the _______ gift I had prepared for her, she ________.
A．pleased, burst into laughter
B．pleasant, burst into laughter
C．pleasant, burst out laughing
D．pleased, burst out laughing
答案
答案：B
pleased 高兴的，修饰人，pleasant 令人高兴的，修饰物，短语：burst into laughter 突然大笑起来，句意：当我的母亲看到我为她准备的令人高兴的礼物时，她突然大笑起来。所以选B。