[ Grammar ]
The police are not sure ___ the beautiful painting(畫)in the art museum.
A. that is taking away
B. that took away
C. who took away
D. who to take aw

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Grammar Comma UsageContinuous TenseGrammar: SyntaxVerb + InfinitivePronounciation and GrammarGender and GrammarAdverb Clause ConnectorPresent Perfect vs Past SimpleSimple Present and Present ContinuousIrregular AdjectivesOther quiz:
Past Passive › ViewWhich is the correct past form of this sentence?
‘Mozart composed the magic flute’.
A. The magic flute wasn’t composed for Mozart
B. The magic flute composed was by Mozart
C. The magic flute was composed by Mozart.
D. Mozart was composed by the magic flute.
Present Simple & Present Continuous Tenses › View
The concert this evening _____ at 7.30.
A. starts
B. start
C. is starting
D. started