18.she doesn't explain this exericise.his pupils can't do it
19.there isn't enough time.this student can't write this essay
20.it's warm tonight.we can go out
21.these exericise are easy.you can do them
22.those orages are ripe.we can eat them
23.my sister wasn't well.she didn't go to work
24.the book is small.i can put it in my pocket
18.she doesn't explain this exericise.his pupils can't do it
she doesn't explain this exericise, so his pupils can't do it
19.there isn't enough time.this student can't write this essay
there isn't enough time for this student to write this essay
20.it's warm tonight.we can go out
it's warm tonight enough for us to go out
21.these exericise are easy.you can do them
these exericise are easy enough for to do them
22.those orages are ripe.we can eat them
those orages are ripe enough for us to eat them
23.my sister wasn't well.she didn't go to work
my sister wasn't well enough to go to work
24.the book is small.i can put it in my pocket
the book is small enough for me to put it in my pocket
