问题
选择题
She was surprised to find the fridge empty；the children _____ everything !
A．had been eating
B．had eaten
C．have eaten
D．have been eating
答案
答案：B
考查句子结构。本题的关键是标点符号。分号说明后面是一个新的句子。再根据事态可知孩子们吃完一切是在他发现之前，所以使用过去完成时。