相關Mr.BlackIjustcan的文學知識

問題詳情：---Mr．Black,Ijustcan’tgetmycarstarted．Ithinkthere’ssomethingwrongwiththeengine.---Oh,letmesee．Ah,thatisnot_______itis．Actually,yourcarhasusedupallthepetrol.A．where            B．when ...