this afternoon 前面要加介词in吗?

this afternoon 前面要加介词in吗? this afternoon , in this afternoon 是不是 有了this 限定了,前面不需要介词呢?in the afternoon / this afternoon.是不是都正确啊? 能用in this afternoon?我怎么见书上有这么一句?.Can I hand it in this afternoon?我记得一般就 this afternoon不需要前面介词了啊. What__________________________to do this afternoon? I____free this afternoon. They ---------(run) this afternoon. two this afternoon是什么 this afternoon是什么意思? ( )( )( ) pictures this afternoon?填空 he will piay soccer this afternoon 对this afternoon提问 i'm going there this afternoon.对this afternoon提问 in this afternoon 和this afternoon 的区别是什么? They have biology this afternoon.对this afternoon提问 Where were you this afternoon? (BE)you free this afternoon? this afternoon的中文是什么 this afternoon的中文意思