=>
1/
1. because
2. As
3. although
4. which
5. who
6. on
2/
1. E I'll stay at home and watch TV
2. B old enough to go to school
3. F If I was in class E102
4. A go to the Seattle school of English in the USA
5. D He has been learning a lot about life on a farm
6. C because the material was very strong and it did not wear out easily.
3/
1. has lived
2. broke
3. have never lied
4. has
5. has already decided
6. have driven
7. has gone
8. wants
4/
1. didn't -> don't
2. who's -> whose
5/
1. if she spoke English
2. being tired, Mrs.Nga helped
3. helping me doing this
4. wasn't told about her
