题目内容
—Look! A set of keys ________ in the box.
—Yes, some cards ________ in it, too.
A. are; are B. is; are C. are; is D. is, is
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题目内容
—Look! A set of keys ________ in the box.
—Yes, some cards ________ in it, too.
A. are; are B. is; are C. are; is D. is, is