=>
3/
1. studying ( be interested in Ving)
2. be thrown ( should be V3/ed)
3. is sleeping -> thì HTTD
4. laugh ( make sb V)
5. disastrous ( be very adj)
6. Unluckily (adv) : không may
7. interesting ( be adj)
8. increasingly (adv)

4/
1. build -> be built
2. to me -> for me

5/
1. The house which they live is very lovely.
2. She asked me if I was hungry then.
3. I wish I applied that job.
4. Peter could take part in charity programs if he had time.

6/
1. Although
2. age
3. chosen
4. how

7/
1. T ( have the children cook the early moring meal)
2. T (while she is still in bed/mothers can rest/many mothers feel that this free time)
3. T ( Fathers might take care of the children that day)
4. F ( many mothers feel....gift)

TEST 15/
I/
1. apart 
2. forward
3. therefore
4. been
5. who
6. if