It was at that moment_________ her appointment with the doctor.

What you smell as you sleep may influenceyour dreams. Smell the flowers before you go to sleep ________ you may just endup with rosier dreams.

To keep healthy, Professor Johnson ______ cycling as a regular form of exercise after he retired.

I’ve never been to the Great Wall, whatabout you— ______. I think it must be very great.

Thecentral government is taking measures tothe prices of daily necessities.