单项选择题

The instructions on how to use the new machine ______ that nobody seemed to be able to understand.

A．were very simplistic
B．was very confused
C．were so confusing
D． was so simplistic
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单项选择题
The secretary didn't know who he was, or she ______ him more politely.
A．will be treating
B．would have treated
C．was treating
D．would have been treated
单项选择题
Our car trunk ______ with suitcases and we could hardly make room for anything.
A．went cramming
B．was crammed
C．is cramming
D．was been crammed
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