英译汉,并解释这么做的原因
1.Be sure to give it back in time.翻译,并解释为什么用to give
2.he is doing a project on languages .翻译
3.I hoped you (hadn't waited) too long outside the Nanfang Theatre.翻译,并解释为什么用(hadn't waited)
4 .she had been at the doctor's for a long time.翻译