Pergamon
[计] 培格曼
🗣️ 情景例句
I must prepare my lessons.
我必须准备工课。
I'll have studied English for four years next March.
到明年三月，我就学了四年的英语了。[将来完成时，表示将完成…，会做完…]
In 1990?
1990年呢？