[ Grammar ]
Not only the engineers but also the project managers ____ required to attend the training seminar.
A. is
B. are
C. was
D. be

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Present Simple ProgressiveConjunctive AdverbsVocabulary, Adjective & PrepositionReported Speech and Reported QuestionsPrepositions of Time and PlaceQuestion WordsVocabulary and GrammarVocab and GrammarImperative SentencesThe Structural Types of SentencesOther quiz:
Grammar › ViewI knew he _____ because his eyes were red.
A. cried
B. was crying
C. had cried
D. had been crying
Grammar › View
_______ shoes are black.
A. This
B. They
C. These
D. Those