I asked two students the way to the post office, but of them knew.

Do you know anything about Chinese knots (中国结)— Yes. They are usually regarded ______ symbols of good luck.

He likes playing tricks on others, but ______, he is a good boy because he is willing to help others.

I have had my bike ___ , and I’m going to have somebody ___ my radio tomorrow.

You can, ____, come to join us in the singing programme.