Question 19: A home for children whose parents are dead is called a(n)_____
A. kindergarten B. orphanage
C. street people house D. lodging
Question 20; The local authority asked for a _____ contribution from the community to repair roads and bridges.
A. volunteer B. voluntary C. voluntarily D. voluntariness
Question 21; Alan______ is an official document stating that you have passed an examination, completed a course, or achieved some necessary qualifications.
A. certificate B. requirement C. education D. test