1._____she is expecting is to find someone to manage the restaurant because she is over sixty.
2. I don' t understand_______he should have done something like that.
3. Prisons in the country are short of staff,______means prison officers are overworked and underpaid.
4. lt will be warmer and warmer, ______more and more trees are turning green.
5. I was disappointed that the hotel______in Hong Kong didn' t supply free access to the Internet.
A) where I stayed
B) as I stayed
C) which I stayed
D) what I stayed
上面5题分别考查的是主语从句、宾语从句、非限制性定语从句、原因状语从句和地点状语从句的用法，5个题目分别选B, B, D, A, A。