Doing your homework is a sure way to improve your test scores, and this is especially true ____ it comes to classroom tests.

Can you tell me who you’re going to_______ about the secret? —Nobody. I just want to keep it to myself

The aged lady smiles so sweetly that she _________ me of my beloved grandmother.

Beijing ,the capital of China, is one of cities in the world.

_________ a year does your school have sports meetings? —- Twice a year.