[ Tenses ]
Before the teacher arrived, the students ______ the classroom.
A. left
B. had left
C. leave
D. were leaving

Random Topics:
Conditional SentencesPast Simple, Past Continuous, Past PerfectDependent ClausesComplex SentencesGrammar - Place and MovementCoordinating Conjunctions and Comparative AdjectivesTenses and StructuresGrammar - could / could notNouns and QuantifiersWill & Be going toOther quiz:
Order of Adjectives › ViewMy father gave a _________ watch.
A. new Japanese black
B. black Japanese new
C. new black Japanese
Grammar › View
Use the new computer, __________ is right over there, to type your project.
A. that
B. who
C. which
D. where