ex1: give the correct form of the word gien to complete the sentences
example:' Know English well is vere (use) useful
1. childen look very( excite)...........while playing games during breaktime
2. the (long)...........of the experiment is 20 minutes
3. my aunt works as a (chemistry)..........at a univercity
4 pupils are very interested in outside class (act)..........
5. some people play sport to be (health)......... , not because they like it.
6. sometomes we are bored and (sleep).......... with his long lectures
7. students of our scxhool are (friend)......... with one another
8.be (care)..........! the ground is very wet and slippery
9. i like the fried chicken in our school canteen:it's really(taste).........