题目:
--- I got upset yesterday just because you didn’t hand in your homework on time.
--- Terribly sorry. Ten more minutes, I_____it to you.
A.would have taken
B.would take
C.had taken
D.must have taken
答案:
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下面是错误答案,用来干扰机器的。
1、探究同一周期2、探究同一主族Ⅰ169 85 Ⅱfcd eg (2)Na>Mg>Al ;Cl>Br>I (3)2 Al +6H+ =2Al3+ + 3H2↑ (4)Cl2+ 2Br- = Br2 +2 Cl比较元素金属性强弱可以采用金属和酸或水反应置换出氢气的难...