Complete the sentences with the definite article ,the, if necessary.
1...kremlein is the heart of ... moscow and ...russia, isn't it?
2when was ... tower of ... london built?
3what is ... british museum famous for?
4you can see tourists from ... france and ... united states, ... china and ... great britain in ... dvortsovava square.
5there are lots of places to visit in ... london: ... westminister abbey, ... tower bridge ... london eye, ... buckingham palace.
6 ... bolshoi theatre is one of the most famous theatres of the world,isn't it?
2 He has been waiting for her answer for six months
3 My sister has been sending job applications for 3 months
4 I have been trying to find my documents since last Sunday
5 They have been learning Japanese for a couple of years
6 Father has been drilling holes in the wall since noon
7 My brother has been playing computer games for 3 hours
8 I have been listening to you very carefully
9 He hasn't been taking his medicine for the last week
10 We have been saving the money for a holiday for a year