21.catch fire 着火
Suddenly a pan of oil catches fire.
22.care for 喜欢、想要
I care for reading magazines.
23.be carried away by 被…迷住
He was carried away by her songs.
24.carry off 夺走
The tiger carried off the rabbit in its mouth.
25.carry out 开展、执行、实现
carry out experiments
26.change .. into 把…变成，转换成
Change these sentences from Direct Speech into Indirect Speech. 把句子由直接引语转换成间接引语
27.clear away 把…清除掉
She is clearing away the leaves on the ground.
28.come about 发生、产生
How did these differences come about ?
29.come across 偶然 遇到
A man was walking through a wood and he came across a hunter.
30.come off 从…离开，脱落
My raincoat got caught in the door and the button came off
