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
网友回答
A. how they were excited
(答案→)B. how excited they were
C. how excited were they
D. they were how excited
解析：句意：你可能想象不出当他们收到圣诞节礼物时他们是多么的高兴。这里是how引起的感叹句，其结构是how+形容词+主语+谓语+其他。故选B。