_____ useful advice it is!
---How many students ______ in your class?---There were 40.
Miss Go was strict _______ her work and she is also strict ______ her students.
Tony is a very ______ boy, so his teachers and classmates all like him.
My father was born in ______ village in ______ Shandong Province.
_____ down Park Street, _____ right after the bank, you’ll ______ the market.