[ Grammar ]
The percentage of unemployed workers _______ in 2010.
A. has remained unchanged
B. remained unchanged
C. remained unchange
D. has remained unchange

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Passive with ModalsSimple Present Negative and QuestionPast simple - Irregular VerbsFuture Tense (will/be going to/p.continuous)Simple Past TensePhrasal Verbs and GrammarGerund or to InfinitiveGrammar- Later/LatterGrammar: AgreementPassive Voice, Question Tag, PrepositionsOther quiz:
Quantifiers › ViewThere is water in the bottle.
A. little
B. a few
C. any
D. many
Grammar › View
This house is said to be _____by ghosts
A. haunt
B. haunted
C. haunting
D. haunts
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A. has died
B. died
C. had died
D. was dying
Preposition › View
Many students queued up __________ the hall to donate blood.
A. through
B. inside
