—Oh, Mrs. Black, your wallet looks nice, is it new?—No, I ________ it for two years.

 Daniel is very modest. He never __________ before his friends.

You had better ________ some time every day for sports so that you can keep yourself energetic.

If we         now to protect the environment, we’ll live to regret it.

We would like to _______ some money _______ the poor children in our country.