[ Grammar ]
The problem ______.
A. has been solved
B. have being solved
C. was solve
D. has being solved

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Present simple or Past simpleModal Verbs and Contrastive ConjunctionsModals and PhrasesSimple Past Tense & Future TensePast Tense vs Present Perfect TensePresent Simple & Present Progressive TenseThe Structural Types of SentencesTransportation VocabularyConditional Sentences Type I, IISubject/Verb Agreement with Collective NounsOther quiz:
Relative Clauses › ViewDo you know the student
A. which won the competition?
B. who won the competition?
C. whose competition won?
D. whom competition won?
Sentence Structure and Grammar Rules › View
Complete the sentence: I don’t like ice cream, and ___ does my brother.
A. nor
B. so
C. neither
D. but
