单选题：Up to now, no ways have been found to kill crows.

题目内容：

Up to now, no ways have been found to kill crows. A．Right
B．Wrong
C．Doesn't say

参考答案：

答案解析：

It is not easy for farmers to kill crows.

It is not easy for farmers to kill crows. A．Right B．Wrong C．Doesn't say

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Christmas trees are all brought in from forests. A．Right B．Wrong C．Doesn't say

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What good news! I must tell my mother A．at all B．at first C．at once

分类：公共英语一级题型：单选题

What will the woman probably do? A．Leave for home. B．Check the language lab. C．L

分类：公共英语一级题型：单选题

What do we know about baby bears? A．They went out of the den for food in April.

分类：公共英语一级题型：单选题