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【单选题】
Not only ______ the dishes but also they refused to pay for it. [ ]
A.
the customers complained
B.
did the customers complain
C.
were the customers complaining
D.
the customers were complaining
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参考答案：
参考解析：
刷刷题刷刷变学霸
举一反三
【单选题】Online retailers could track not only what customers bought, what else they looked at. A) B) C) D)
A.
so that
B.
and thus
C.
rather than
D.
but also
【单选题】有六个人的平均年龄是16岁，把其中一个人换成另一个13岁的少年后，再加上一个20岁的青年，这七个人的平均年龄变到18岁，被换掉的那个人的年龄是多少？
A.
6岁
B.
3岁
C.
5岁
D.
4岁