关于定语从句
1.three divers were to dive to the place____lay the sunken ship so as to get some information about the ship.
that on which where 不填 选哪一个?并说明原因+翻译全句
2.the former friends are quarrelling to such a situation___they turned their backs to each other.
when where how why 选哪一个?并说明原因
3.she gratuated from university in 1984,_____few people in china were able to speak english.是不是as和when都可以?为什么?