You must line up _______ the desk.A.on B.at C.in D.under

You must line up ( ) the desk.A：at B:in C:above D:on You must line up _______ the desk.A.on B.at C.in D.under we must line up in the corridor and you mustn't push .you mustn't take your schoolbag. you must line 的中文意思 Tom will line you up later. You must give up fishing! You must cut ___ the bananas before you put ___ into the blender.A.down;it B.up them C.dwon themD.up it You must get the room tidied up before you go out today.You must get the room ___ ___before you go out today.同义句 you must be ___!(kid) Line up line up must i get up early tomorrow ? _no,___.you mustn'ti don't think you have toyou can'tyou need You must line up ( ) the desk.这个括号里应该填写一个什么单词?有四个选项：A：at B:in C:above D:on哪一个是呢？ You must wait for your turn in line before you give up,you must be pick up. You must ___ ___ ___ ___ ___ ___ (能说好英语)for this job You must ___(尽力) to help others. You must give up fishing.请问UP是prep吗?