单项选择题

Questions 17—20 are based on the following passage. You now have 20 seconds to read Questions 17—20. Professor Dodge will be available ______.

A．to help the students with all lessons
B．to offer suggestions for activities
C．on Thursday afternoon only
D．on Tuesday and Thursday

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单项选择题

单项选择题

Questions 17—20 are based on the following passage. You now have 20 seconds to read Questions 17—20. Professor Dodge will be available ______. 您的浏览器不支持 audio 元素。