Complete the sentences.
1.Big cities are ( dangerous)__________
than small cities.
2.Travelling by plane is ( boring)______
than by train.
3. Cities now are (exceting)__________
than before.
4.Astana now is (important)__________
than it was before.
5.Now Astana is(beautiful)___________
than it was in 1830.
The become,a present name, to mean, exerting.