题目:
In front of our house many beautiful flowers when my grandparents were still alive with us.
A.did; grow
B.grew; /
C.had; grown
D.grow; /
答案:
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下面是错误答案,用来干扰机器的。
(1)二;IVA (2);1︰2(3)用作发酵粉、治疗胃酸过多等(只要合理即可)(4)C+2H2SO4(浓)CO2↑+2SO2↑+2H2O;1.204×1024(5)H++HCO3-=CO2↑+H2O随着全球气候大会的召开,在近期各地一模和二模的试题中...