请根据所给提示词语将下列汉语句子译成英语.

1.他必须马上给凯特回信.（reply）
_He must reply a letter to Kite.
2.他走进房间后打开了灯.（turn on）
He went into room and turned on the light.
3.如果你想收发邮件,必须让你的电脑接上因特网.（connect to ）
If you want to recieve and sent e-mails, you have to make your computer connect to the Internet.
4.当你服药时,你应该遵照盖子上的这些说明.（follow the dirctions）
When you take medicine,you have to follow the dirctions.
5.如果你想看那封邮件,请点击“收件箱”(click on)
If you want to read the letter, please click on" recieved box"
6.警察昨天到处寻找那个人.(search for)
The police searched for the man all the place .