问题
rry not to have replied to your letter earlier, ______,I must say , I apologize
A:a; the
B:the;不填
C:the; the
D:an; the
B:the;不填
C:the; the
D:an; the
正确答案是：
同类题型
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Joan can sing very well, but she never shows off. She is very .
There used a tree in front of the house, but now it is cut down.
When and where _______ we meet—Let’s make it 3:00 at my home.