When I wanted to buy a computer, I saved as much as I could, and my mother the rest of the money.
The professor gave orders that the test ___________before 5:30.
The possibility of a way out of the impasse(僵局) had never ____________ to anyone.
I appreciated ____ the opportunity to study abroad two years ago.
_______, I’d have told you.
20. He reads newspapers every day to keep himself_______about what's going on in the world.