--Did you listen to the report last Friday?--- Yes, it was about the shortage of migrant workers. That was the first time I______ about the subject.
It shames to me to say it, but I told a lie when _______ at the meeting by my boss.
I didn’t know it could do terrible ______to your heart and lungs or ______was more difficult for smoking couples to become pregnant.
In Chinese _____, old people’s advice is of great _____.
What will the world use for power when it _______ oil?
-- Do you feel like ______ out? -- No, I’d rather we _______ a taxi.