ex8
1.c
2.d
3.a
4.b
5.c
ex9
1.d
2.a
3.b
4.b
5.c
ex10
1.She has started learning to swim last week
2.because i didn't have any class yesterday,i played sports
3.althought she is short,she still plays basketball
4.this is the first time i have been to da lat
5.for me,football is the most interesting sport
ex11
1.one of the most cities famous is da nang in vietnam
2.Tokyo is a much more expensive city than other cities in the world.
3.Because it was not interesting, I didn't watch that game show
4.This is the most delicious food I have ever tasted
5.Although it was the cheapest carpet, I did't buy it.
