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I’m sorry, but I didn’t mean to keep you waiting here for a long time. Can you _______ me?

A. gain B. satisfy C. apologize D. forgive

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B.the cost of space travel in the future

C.the development of spacecrafts

D.cheap travel in the future

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完形填空

阅读下面短文,从短文后各题所给的四个选项(A、 B、C和D)中,选出可以填入的空白处的最佳选项,并在答题卡上将该选项涂黑。

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Tricks to Finding the Cheapest Flights

Travel can be a lifesaver. The right vacation at the right time can refresh your body and mind. But ticket prices are sharply on the rise, many have written off travel as too expensive. However, with a few tricks and a little research, there are still lots of great deals to be had on airline tickets.

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1.What is the passage mainly about? (回答词数不超过8个)

___________________________________________________________________

2.When may the airfares be the lowest of the day? (回答词数2个)

___________________________________________________________________

3.When do business travelers usually fly? (回答词数2~4个)

___________________________________________________________________

4.How can you find the cheapest flight tickets if you plan to travel to popular places? (回答词数3个)

___________________________________________________________________

5.What does the entire package include? (回答词数不超过8个)

___________________________________________________________________

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