单项选择题

The main forms In participatory and interactive speaking and listening involve face to face conversations, seminars, and tutorials

A．对
B．错

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单项选择题

In sequential games, the players take turns moving instead of moving simultaneously.

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西藏个别地区小孩去世后会采取崖葬的方式来下葬。（） A. 对 B. 错