急,括号里面的是答案,告诉我为什么要这么填

急,括号里面的是答案,告诉我为什么要这么填
1.It‘s very lucky ( Of ) you to get the tickets (to) The World Cup.
2.It was (So Hot a day)that we decided to stay inside
3.Bob was absent last week .he (must have been) sick.
4.It 's age (since I saw) him.
5.There are many shop on (both side ) of the street.
6.The news is speaking from mouth to month
---Yes ,it's become (the)talk of (the) town.
7.What do you think (you can do to)solve the problem.
8.(What a long way it is)from Beijing to Paris.
9.Can you see (what he's reading)
10.I raised my voice so that I could make myself( heard)
11Great changes (will take place) in shenzhen in the year 2012.
12.Would you mind (his opening)the window?