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

Random Topics:
TOEFLPronouns, Sentence Structure, and Figurative LanguageGRAMMAR - Could / Could notGrammar: so and suchCoordinating & Subordinating ConjunctionsNoun Phrases and Verb PhrasesSimple Present and Present ContinuousTransitional Phrases and ConjunctionsModal Verbs & Time PrepositionsGiving and Asking for AbilityOther quiz:
Grammar › ViewMy brother decided ________ his career two years ago.
A. to change
B. changing
C. change
D. to changed
Vocabulary › View
live; be
A. exis
B. Exist
C. axis
Grammar › ViewYou look very tired. You need ………… vacation.
A. A
B. An
C. The
Modal Verbs and Gender Nouns › View
She ___ very happy at the party last night.
A. could
B. couldn’t
C. was
D. were
