问题
I ____ so busily recently that I ____ no time to help you with your maths.—That’s OKI can manage it by myself
A:had been working; had had
B:have been working; had
C:have been working; have
D:am working; will have
B:have been working; had
C:have been working; have
D:am working; will have
正确答案是：
同类题型
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