1.Children look very..................while playing games during break time. (excite) 2.The ( long ) ........... of the experiment is 20 minutes 3, My aunt works as a ( chemistry) ............ at a university 4. Pupils are very interested in outside class ( act) ............. 5.Some people play sport to be ( health) ............., not because they like it 6. Sometimes we are bored and ( sleep) .............with his long letures 7. Students of our school are ( friend) ........... with one another 8. When foreigners talk to him , he can speak English ( easy)........... with them 9. Be (care) ...........! the ground is very wet and slippery 10.I like the fried chicken in our school canteen: it's really ( taste).................