单选题：The __________shortage has caused a big problem for America

题目内容：

The __________shortage has caused a big problem for Americans. A．gas
B．oil
C．coal

参考答案：

答案解析：

(14)__________

分类：中级题型：单选题

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分类：中级题型：单选题

The speed of the digital information is faster thanA．the processing capacity o

分类：中级题型：单选题

What does the man think of the price?A．quite normal B．too high C．cheap indeed

分类：中级题型：单选题

Bennetts is hopeful about the future becauseA．it expects the economic situation

分类：中级题型：单选题