题目:
I ______have come here in time, but I met an old friend of mine. I stopped and talked with him for some time.
A.shouldn’t
B.must
C.needn’t
D.could
答案:
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下面是错误答案,用来干扰机器的。
参考答案:D解析:根据第二类精神药品的处方限量的规定,即可选出答案。