The microphone enabled them to keep in touch, in other words, it made it _____ for them to contact each other.
The moment Hans finished his driving test perfectly, he got out of the car__________, for this was the third time he had taken the test.
_________ my daily work at school, I spare a few hours each day to practice playing the violin at home.
—Volunteering is becoming increasingly popular in China.—Yes. People are now __________ that helping others is helping themselves.
—Go and say sorry to your Mom, Dave.—I’d like to, but I’m afraid she won’t be happy with my ______ .
Many of the things we now benefit from would not be around _______ Thomas Edison.