1 Study the modal forms in blue in sentences 1-5. Then choose the correct options in the rules

1.in

2.at

3.at

4. at

5       in

6     in

7       in

8         at

9.   in  

everyone agrees that unless tiger population is protected ,they will become extinct.if it were not the efforts made by international campaigns the extinction would already have become a fact.it is time to cooperate and help to animals otherwise the future will be sad.supposing there were no tigers left in the world: how would we all feel? !

there are no ugly people,all people are beautifuk

this car is mooving faster,but those slowlier

many children are noisy and only some of them are quiet