单项选择题

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

A．He failed to finish the experiment that day.
B．He hasn’t had time to do the experiment.
C．He did only part of the experiment.
D．The experiment turned out well.

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单项选择题

A．Before the end of the year.B．Before the end of Feb.C．Before the end of fall.D．Before the end of spring.

A．Before the end of the year.
B．Before the end of Feb.
C．Before the end of fall.
D．Before the end of spring.

填空题

What were the demonstrators protesting about

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

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