PowerPoint中，创建表格的过程中如果插入操作错误，可以点击工具栏上的撤销按钮来撤销。
参考答案：错
—We decided Jack to take part in the competition.
—I couldn’t agree more. He studies and he is also the cleverest in his class.
A．to send; most hardly
B．send; most hardly
C．to send; hardest
D．send; hardest
