.He must be helping the old man to water the flowers, _____?
—Have you worked here since you graduated?—No, I ____________at a factory in Beijing for six years.
—Who is making so much noise in the garden?—___________ the children.
The manager spoke highly of such ___________ as loyalty, courage and truthfulness shown by his employees.
“My boy, do remember to leave things _____ you can find them again.
I found my new school quite different from _____ I had studied in before.