单项选择题

A．He had been studying in the next room.
B．He had been watching TV in. the living room.
C．He had been playing outside.
D．He had been doing exercises in the
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单项选择题
A．She worked hard.B．She has passed this exam.C．She didn’t work hard.D．She works harder than befor
A．She worked hard.
B．She has passed this exam.
C．She didn’t work hard.
D．She works harder than befor
填空题
______ The head of the Canadian government is called the Canadian Prime Minister.
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