问题描述:
改句子:I saw him enter the reading room a few minutes ago
I saw him enter the reading room a few minutes ago
He was _____ _____ _____ the reading room a few minutes ago
I saw him enter the reading room a few minutes ago
He was _____ _____ _____ the reading room a few minutes ago
问题解答:
我来补答展开全文阅读