题目内容
Nancy is very tired now, __________ she helps her mother
do lots of housework.
A. and B. because C. if D. so
B 前半句说太累了,后半句说帮她妈妈做了许多家务,前后构成因果关系。
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题目内容
Nancy is very tired now, __________ she helps her mother
do lots of housework.
A. and B. because C. if D. so
B 前半句说太累了,后半句说帮她妈妈做了许多家务,前后构成因果关系。