[ Mixed General Quiz ]

Vietnam, formerly divided into North and South Vietnam, has been unified ___ 1975.
a. until
b. before
c. since
d. after

Select your answer:
     

Random Topics:
Verb PhraseSome x AnyFuture Perfect Tense

How to use : Read the question carefully, then select one of the answers button.

Tips : If this page always shows the same questions, make sure you correct the question first by pressing the "check answer" button.