单项选择题

Questions 11 to 18 are based on the conversation you have just heard.

A．He looks happier lately.
B．He manages his time well.
C．He’s improved the way he looks.
D．He follows directions more carefully now.

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热门试题

填空题

Concerning the future of the hydrogen economy, the most obvious step we will take is ___________________.

填空题

Even if you have electricity and water, you still cannot produce hydrogen everywhere.

Questions 11 to 18 are based on the conversation you have just heard. 您的浏览器不支持 audio 元素。