you must look ( )the left and right .应该填to?at?

You must look before you cross the road改为祈使句 You must look right before you cross the road. you must look c___ before you cross the road. You must look c______ before you cross the road. look out!you must You must look( )it you must look right before you cross the road 是什you must look right before you cross the road You must _____ (look) after the old man.急需 You must look atter the dog.（改为祈使句0 you must not look out of the window改为祈使句 You must not look out of the window.改为祈使句 you must look after in the picture 翻译 You must not look out of the window改祈使句 you must look oth ways before going___(cross)the street. you must look the right first and then the left 可以改为you must look around吗? Look out!You must wait. You must look ()your camera. you must look after the dog welll.（同意句）you must ____ ___ ___of the dog