Ⅰ.单句语法填空/单句改错
1．The government has to close those small factories to prevent the water of the river______________(pollute)．
答案： being polluted
2．He shared his father’s________(believe)that people should work hard for their living.
答案： belief
3．I want to use the same tools________were used in your factory a few days ago.
答案： as
4．They demanded that the authority________(apologise)to the public for its wrong decision.
答案： should apologise
5．The________(announce)was heard by millions of radio listeners this morning.
答案： announcement
6．As time going by，we became good friends.
答案： As→With或going→went
7．John didn’t pass the final exam.That was because he seemed upset.
答案： because→why
