16.call at 访问 某地
He called at the hospital after work to find out whether Mr King was better.
17.call on sb. 拜访、访问
So I called on you and asked if I could lend me a hand.
18.call back 回电话
Can you ask him to call me back ?
19.call for 要求、号召
People are calling for freedom.
20.call in 招集、招来
The army was called in to cut through fallen trees and to help clear the roads and paths.
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