86. 因为交通拥挤,今早我又迟到了。

I was late again this morning ________ ________ the heavy traffic.

87. 经过一天的努力, 他们终于扑灭了森林大火。

After a day’s hard work，they ________ ________ the forest fire at last.

88. 该动身了，飞机一小时后起飞。

________ time ________ set off，since the plane will take off in an hour.

89. 休息会吧，我太累了，不能再走了。

Let's have a rest，I'm ________ tired ________ walk any farther.

90. 如果父母读读自己孩子的微博，就能更好地了解他们的想法。

________ parents can read their children’s microblogs,they ________ know their thoughts better .

—I was late again because my car ________ on my way to work.

—Bad luck!

　　　 A. broke out　　　　　 B. broke away　　　　　 C. broke down