Lucy and I are sisters, but Lucy looks beautiful.

Oh, dear! I can’t find my new bracelet. Where on earth did I put it? —What a careless guy. It is on the table______ we had dinner together yesterday.

c. don’t have toD. needn’t to

The value of life lies not in the length of days ，but in the use we ______ them.

British people say “please” and “thank you” all the time ______some people in Asia may think it unnecessary.