单项选择题

The main idea of the first paragraph is that ______.

A．people traveled on lakes thousands of years ago
B．people used logs thousands of years ago
C．traveling was hard thousands of years ago
D．there were no roads and cars thousands of years ago

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热门试题

单项选择题

You are wanted on the phone.

A．你想有部电话。
B．有你的电话。
C．你被电话需要。
D．你需要接电话。

单项选择题

When we were about to get away a police car came to the front door.

A．当我们正要离开的时候，一辆警车来到了前门。
B．我们正准备离开，一辆警车来到前门。
C．当我们正要逃跑的时候，一辆警车来到了前门。
D．当我们大约要走的时候，一辆警车来到了前门。