16.

Where did Steve and Bill decide to sleep last night? __________ .

A.    Outside Bill’s house.

B.   In Bill’s house.

C. Outside Steve’s house.

17.

When did Bill find the sleeping bags? __________ .

A.    Before it got dark.

B. After it got dark.

C. At midnight.

18.

How did Steve feel when he heard something strange（奇怪的）?

__________ .

A. Sad. 

B. Angry.   

C. Afraid.

19.

Why did Tommy come out of the house? __________ .

A. To play games with Bill and Steve.