Do you go to swim every day?—No, but I ________.

What a pity! Considering his ability and experience, he ____ better.

I shall never forget those years ______ I lived in the country with the farmers, ______ has a great effect on my life.

As we know, England is ______ European country and Singapore is ____ Asian country.

The old couple often take a walk after supper in the park with their pet dog _____them.