What is affecting the refugees in northern Yemen, according to the news
A. Cold weather
B. An earthquake
C. A flood
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What was found at the buffalo-kill site
A. Broken buffalo skins and used rifles.
Broken stone tools for killing buffaloes.
C. Lots of broken buffalo bones.
How did Dave feel after the conversation with Mr. and Mrs. Jones
A. Embarrassed
B. Upset
C. Impatient
What is most important for a diving instructor, according to Dave
A. Finding a good spot to dive.
B. Knowing the local geographical conditions.
C. Being patient with the trainees.
According to David, why do some students have difficulty accepting the "restaurant system"
A. They are not used to having meals with others.
B. It takes them too long to get their food.
C. They are uncomfortable having meals with adults.
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