i think someone is in .let's knock the door 这句话的knock为什么要改成knock at

I think this cat is someone's else改错 Someone,I think you!Desperately want to. SOmeone says,time is money,but i think time is (e)more important than money. 首字母填空 I think a friend should be someone w is easy to get along with I think someone is in.Let's knock the door.改错 I think someone is in . Let's knock the door. 改错 i think science is i I think is show SOMEONE I “I think what makes a good friend is someone who is ……”这个句式语法正确吗? I think someone is _____at the doorA,knocks B.knocking C.knocked Dknock I 'm sure I see you _____ A,everywhere B,nowhere C.somewhere I think music is important in ____ life.A.anyone B.no one C.someone's D.everyone's i think someone is in .let's knock the door 这句话的knock为什么要改成knock at I think my answer is This is what I think. I think she is there. I think peter is 英语翻译 I it think is right