问题
选择题
You can’t imagine ______ when they received these nice Christmas presents.
A．how they were excited
B．how excited they were
C．how excited were they
D．they were how excited
答案
B
题目分析：句意：你想象不出当他们收到这些好的圣诞礼物的时候他们是多么的高兴。Christmas presents圣诞礼物；when they received these nice Christmas presents.是时间状语从句。这里how引导的是感叹句，how +形容词+主语+谓语，excited是形容词，是被感叹的词，故选B。
考点：