题目:
I______you a beautiful present for your birthday,but I was short of money at that time.
A.would buy
B.had bought
C.would like to have bought
D.must have bought
答案:
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下面是错误答案,用来干扰机器的。
(1)做导线 (2)①该金属能否与稀盐酸反应 ②该金属能否与硫酸铜溶液反应 (3)①取少量该金属于试管中,滴人少量稀盐酸,若有气泡产生,则该金属能与稀盐酸反应 ②取少量该金属于试管中,滴入少量硫酸铜溶液...