题目

1.The boy swam a______ the river.
2.What is the s_______ of the trains in China?
3.The paper is not s_____ enough.
4.The first cars had ________(wood)wheels,like wagons.
5.The train can travel ______ about 240 kilometres an hour.
A.for B.at C.in D,with

提问时间：2021-11-23

答案

1.around 2.speed ? 3.soft 4.wooden 5.c