农行电子账单系统中，允许（）账单模板能与账单关联。
A、有且仅有一个
B、二个
C、三个
D、多个
参考答案：A
Jim and I ____________ students. We ____________ in the same class.[ ]
A. are, are
B. am, are
C. are, is
D. is, are
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