exercise 1
2) you must test toys before you give them to your child.
3) you must throw away the package.
4) you must throw away long ribbons.
5) you mustn't let small children play alone.
6) you mustn't leave metal toys outside.
7) you must avoid toxic toys.
exercise 2
1) a
2) the
3) the
4) an
5) the
6) the
7) a
8) the