Please look ____ the blackboard and listen to me.
上课,老师说:“打开书”。用英语说怎么说:A. Open your book, please . B. Close your book ,please .
在进屋之前你需要做的事是:A. Open the door .B. Close the door .
室内的空气不清新,为了换一下空气,这时你需要:A. Open the window .B. Close the window .
经过你的介绍后,小明应对Danny说些什么:A. My name is Xiao Ming .B. Hello ,Nice to meet you .
当你想把你的朋友不明介绍给你的朋友Danny时,你要说:A.Danny , this is Xiao Ming .B.He is my friend.