Mỗi dòng có 1 lỗi sai hãy tìm và sửa :
nowadays keeping your teeth healthy is very                                       1/________
important.Dentists can do a lot to improving your                                 2/________
teeth. They can straighten your teeth by put wires on                          3/________
them. This wires push the roots of the teeth the right                           4/________
way. The goodest time for doing this is while the                                 5/________
teeth are grew. A lot of dentishs, however, prefer not                          6/________
to start doing this before a child is at less eight.                                  7/________
Sometimes a dentist even used elatic bands to                                  8/________
make a tooth straigh. SOmetimes pulled a tooth out                          9/________
can prevent the orther teeth with growing too close to one another   10/________