问题
选择题
We had to stay at home ______ it was raining hard.
A．of
B．because
C．because of
D．as
答案
答案：B
题目分析：句意：我不得不待在家里，因为下很大的雨。Because因为，后接从句；because of因为，后接名词性短语；题中后面是个从句，故选B。
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We had to stay at home ______ it was raining hard.
A．of
B．because
C．because of
D．as
答案：B
题目分析：句意：我不得不待在家里，因为下很大的雨。Because因为，后接从句；because of因为，后接名词性短语；题中后面是个从句，故选B。