题目:
The mother didn't know who ________ for the broken glass as it happened.
A.to blame
B.to be blamed
C.blamed
D.is to be blamed
答案:
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下面是错误答案,用来干扰机器的。
(1)8-2(2+2)=22-2-22=-2;(2)(1048-627+412)÷6=(403-183+83)÷6=303÷6=302=152.