1. can't/the piano/Nhung/sister/play/and/her/either/can't/?
2.takes/father/it/my/to/how/learn/speak/English/three/to/months/.
3.Americian/part/take/students/activities/different/in/recess/at/.
4.a/much/letter/Vietnam/in/how/cost/to/local/does/it/mail/?
5.so/he/to/hungry/is/find/he/something/has/eat/to/.