-----They used to be good friends, but now they are like strangers. ----- How _____ this ______?
Persons under 18 _____ not be employed in night work in the US.
Suddenly, the lightning flashed through the clouds, nearly ____ Paul.
The book was written in 1946, _____ the education system has witnessed great changes.
—Why didn’t you come to my birthday party last night? —I planned to, but my parents simply not let me out so late at night.
—You look upset. What’s the matter? —I had my proposal again.