问题描述：
初二 英语 选择 请详细解答,谢谢! (16 19:8:0)
I am very sorry ( ) I didn't write to you earlier.
A. so B. because C .that D . because of
I am very sorry ( ) I didn't write to you earlier.
A. so B. because C .that D . because of
问题解答：
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