Give the correct form of the words.
1. What is your ............... subject at school? ( FAVOR )
2. Some of the children .............. boys, play marbles when there is a break ( MAIN )
3. If you want to have .............. teeth you must keep your teeth clean ( HEALTH )
4. Their mother is a nurse. She looks after sick ............. in the local hospital ( CHILD )
5. Hoa is the .............. student in the class ( HELP )
6. What do ............... often do in their free time? ( TEEN )
7. Television is one of the most popular means of ............... ( ENTERTAIN )
8. Do you know the name of our new ................? ( CLASS )
9. The children are all ................ about going to the circus tonight ( EXCITE )
10. I can't tell the ................. between the twins. They are so alike ( DIFFERENT )