根据文章内容将所给的词填入文中,使短文完整通顺.
beautiful helpful happy
cheap
Dad
bought a computer for Amy, so she is very . Her computer is cheap, but
it's very Grandma has got a computer, too. Grandma's computer is not
expensive. It's . It's not beautiful, but it's . Because it can
help Grandma send emails.
答案:【1】happy【2】beautiful【3】cheap【4】helpful