Catherine bought a postcard of the place she was visiting, addressed _______ to _______ and then posted it at the nearby post office.
My friend Jack has just sent me an e-mail, _______ me about his travels around the world.
In the near future, more advances in the robot technology _______ by scientists.
Our parents always tell us to believes in we do if we want to succeed.
The doctor advised Lisa strongly that she should take a holiday but _______ didn’t help.
Miss. Gao _______ in the library for three years. But now she is a teacher.