Ten years _______a decade.
A: constitutes
B: arise
C: familia
D: undergo
                    A: constitutes
B: arise
C: familia
D: undergo
举一反三
- Ten years __________ a decade A: makes B: is C: constitutes
 - Ten years __________a decade. A: institutes B: substitutes C: insists D: constitutes
 - Ten years ___________ a decade. A: consist of B: constitute C: is composed of D: be comprised of
 - Prices have risen steadily during the past decade. A: century B: ten years C: dozen D: twenty
 - The driver was confused by the _______road signs. A: ewildering B: undergo C: ea D: familia
 
