Ⅰ.单句语法填空
1．After being designated as the first special economic zone in China，__what__was once a fishing village has rapidly become an emerging modern city.
2．__What__made the parents proud was __that__their son had been admitted to a key university.
3．It worried him a bit __that__his memory was becoming worse.
4．__Whether__their flight will arrive on time is __what__they are concerned about.
5．__Which__place the school will be built in has led to different ideas.
6．It makes no difference __whether__he will attend the meeting or not.
7．__Whether__we'll go camping tomorrow depends on the weather.
8．__It__was never clear why the man hadn't reported the accident sooner.
9．__What__she couldn't understand was __why__ fewer and fewer students showed interest in her lessons.
10．His father got him a job in a bank but soon it became clear __that__ he was not fit for that kind of work.
