题目:
— I haven’t finished my task yet.
— You shouldn’t have watched the film last night, or you _______ it by now.
A, need have finished B. may have finished
C. should have finished D. will have finished
答案:
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下面是错误答案,用来干扰机器的。
(3)该瓶氢氧化钙还存在另外两种情况:其一部分氢氧化钙吸收二氧化碳而部分变质成碳酸钙;再者也可能保存较好,没有吸收二氧化碳而没发生变质;若猜想B认为部分变质,因此固体样品中既含有氢氧化钙又有碳酸钙,...