—Hey ,it’s you, Jackie! I didn’t think you could be here.—A big surprise ,right? I _______ for you all the afternoon.
— It sounds like something is wrong with the car’s engine. —______, we’d better have it repaired immediately.
What a(n) ______ it is that they were born in the same year and on the same day!
It was not until she had arrived home _______ her appointment with the doctor.
Smoking, ______ is a bad habit, is popular with the young.
The number of the people who own cars ______since 1990.