上海高考英语语法填空中，无提示的空格可以填哪些词？若一处要求填入

1. 两空常填连词
表原因：now that;
表让步：even if / even though
表方式：as if / as though / just as
表目的：so that / in case
表结果：so that
定语从句中：介词 + which
表条件：what if
表除了：except when/that
2. 三空常填连词
表目的：in order that / for fear that
表时间：as soon as
表条件：as/so long as / on condition that
特别注意：no matter how + adj./ no matter what + n.
3. 两空常填介词
表原因：because of/ due to/ owing to/
表让步：regardless of
表递进：apart from
表相反：instead of/ rather than
表除了：except for / other than
4. 三空常填介词
表让步：in spite of
表递进：in addition to
5. 两空常填情态动词
have to / had better / wouldrather / ought to / may/might (as) well

base on, base upon使建立在…基础上
强调句。it is ...that
定语从句upon which Twitter is based

articularly does this observation apply to those who have lost sight and hearing in adult