时间、地点、条件和让步状语从句
一、选择适当的连词填空。
1. when, as, until, before, a fter, since, as soon as, whenever, the first time
① I ha ve neither met him nor heard from him he moved to New York with his family.
② his father died, he had to leave school and find a job to support his family.
③ he spoke in public, he became nervous and his face turned red.
④ Mary was hanging around in the street she witnessed the terrible accident.
⑤ I will have to surf the Internet and find the information I leave my office.
⑥ The little boy ran towards his mum he saw her approaching.
⑦ I was about to ask my father about the question my brother rushed in.
⑧ I see her, she is always wearing a big smile.
⑨ the time went by, I began to realize that success requires not only wisdom but also efforts.
⑩ Catherine didn’t leave the train disappeared in the distance.
2. if, unless
