I don't have _______ doing my homework.A.problem B.problems选择A还是B

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I don't have _______ doing my homework.A.problem B.problems选择A还是B
I don't have _______ doing my homework.A.problem B.problems
选择A还是B

I don't have _______ doing my homework.A.problem B.problems选择A还是B
problem 范指