Questions 14 to 17 are based on the following passage. At the end of the passage, you will be given 20 seconds to answer the questions. Now, listen to the passage.

Where was the first telephone service in America established

What is the probable relationship between the man and t...

单项选择题What is the probable relationship between the man and the woman

How many adults were killed in the explosionA．22.B．9.C．...

单项选择题How many adults were killed in the explosion

Everything is ready, ______A．isn't itB．aren't theyC．is ...

单项选择题Everything is ready, ______