Joe has taken a Mandarin course
A. A Mandarin course has taken by Joe
B. A Mandarin course has been taken by Joe
C. Mandarin course have been taken by Joe

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Comparison DegreeAdjectives and PronounsModals Of SpeculationModals and PhrasesPast and Present TensesRelative Pronouns with PrepositionsOn, At, ByFamily VocabularySimple Present and Past TenseFuture Tense VerbOther quiz:
Articles › ViewWhere did you put __________ shampoo?
A. a
B. an
C. the
D. –
Modal Verbs › View
In most developed countries,it is not necessary for people to boil water before they drink it.
A. In most developed countries,people ought to boil water before they drink it.
B. In most developed countries,people must boil water before they drink it.
C. In most developed countries,people needn’t boil water before they drink it.
D. In most developed countries,people mustn’t boil water before they drink it.
Modal Verbs › ViewYou _______ take your medicine
A. could
B. should
C. able
Grammar › View
This is my dad’s new car, let’s get _______ it,
A. on
B. by
C. to
D. into