You are old enough to make decisions by __________.
Miss Taylor never wastes money on anything too expensive, even though (尽管)she can _______ to. She has donated much of the money she saved to charities.
-Can he get the first prize for running?-Impossible now. He _______ so, but he has just hurt his leg.
-Bad luck! It's too late.-It doesn't matter. The movie _______ for only a few minutes. You can't miss it.
Most people agree _______ Dick _______ George, because they think Dick's plan is really good.
Dick, it's the _______ time in three days that you _______ the same mistake.