you must look out when you cross the road 这句话对吗

look out!you must Look out!You must wait. 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 not look out of the window改祈使句 You must look( )it you must look out when you cross the road 这句话对吗 Jack,you must () your things.--Thank you ,Dad.A:look out B:look after C:pick up D:take care What must you look out for on park roads?这个句子的中文意思 同义句 You must look after your sister well when we are out.You must _____ _____ _____ _____ your sister when we are out. You must look ()your camera. look out you mustn'tcross the road now .you must wait for the green look out you mustn't cross the road now .you must wait for the green you must be out of you look pretty out of () you ().You must look for your camera. You mustn't look out of the window in class(改为祈使句）能不能用must 开头 I must go out for a while.Can you look at my baby for mr?这个呢（改错） You must look after ________ things.