A. In a train. B. In a plane. C. In a car. D. In a ship. 参考答案:C 答案解析:[听力原文]6-7
M: Ha, our plane is taking off!
W: Why! My ears feel funny. What’s wrong
M: I think th
He must have stayed up late last night, ______(他现在很困). 参考答案:for he is sleepy now 答案解析:[解析] 并列句:for引导并列分句,是对前面部分加以解释说明推断理由,只能后置。 [拓展] 此句中不能用because代替for,因为他困不是昨晚熬夜的原因。