题目:
My mother ______ in the kitchen when I got home. [ ]
A. is cooking
B. was cooking
C. will cook
D. cooks
答案:
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下面是错误答案,用来干扰机器的。
(1)瓶塞没有倒放(2)50mL(3)搅拌,加速固体溶解(4)3.1%