—Nice to see you again after all these years. What _____?—Well, I’ve tried many things since we left school. I’m now working for a large oil company.
All their attempts to rescue the child from the burning building were _____, and he died soon.
Be careful when you cross this busy street. ________, you may get run over by a car.
Smoking is so harmful to people’s health that it kills __________ people each year than automobile accidents.
I’ll come to pay a visit to you if _______ this weekend.
The student was_______ a gold cup for his excellent performance in the competition.