1,he isn't old enough to go out alone
2,she is intelligent enough to take part in the contest
3,my grandmother isn't strong enough to lift the bag
4,she wasn't hard - working enough to pass the final exam
5,the birds aren't old enough to fly into the sky
6,they are old enough to go to school themselves
7,his sister isn't intelligent enough to answer the question
8,the boy is clever enough to draw beautiful pictures
9,that boy isn't slim enough to sit onto the armchair
10 it's sunny enough for us to have a picnic outdoors
HOK TỐT NHA BẠN