hardly had he finished his speech( )the audience started che

选Chardly。when。是固定词组,意思是 还没……就……,还没来得及……就……这句话的意思是 他还没演讲完观众就开始欢呼雀跃了。注意点,hardly 是副词,放句首位,要倒装,而且要用完成时,记住哈,不然很容易错。