My first summer vocation in the high school, _______I spent a fortnight on the farm, is really unforgettable.
______ is a good form of exercise for both the old and the young.
In China ________graduates go abroad to have a further study every day.
If you like, you can take ____.
It was raining heavily, Little Mary felt cold, so she stood _____ to her mother.
---Your suit! Why? ---I got stuck in the rain.