We are happy to see our city is developing ________ these years than before.

The great writer has written many stories for children. It is said that a new one will ______ at the end of this month.

Why have you decided on the countryside for your holiday?－Because we are there is lots of clear, fresh air there.

I want to know______do to improve my English.

To tell you the truth, if you want to study abroad, you must pay more attention to _______English every day.