1. (2021七下·汕头开学考) 语法选择

There are many mice in the house. The man of the house 1 a cat. 2 cat kills many of them.

Then the oldest mouse says, " 3 mice come to my room tonight. Let us4our heads together and think what to do. We 5 do about (对付) the cat."

All the mice come. Many mice speak, 6 no one knows what to do. At last a young mouse stands up and says, "We must put a bell on the cat. 7 the cat comes near, we can hear the bell and run away and hide. So the cat will not catch 8 of us." But," the old mouse asks, " 9 will put the bell on the cat?" No mouse answers.

The old mouse waits, but no one answers. At last the old mouse says, "It's easy to say things, but it is hard to do 10."

The mice still can't kill the cat.