[ Grammar ]
The professor along with his assistants _____ preparing the experiment.
A. are
B. is
C. were
D. be

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Present Simple and Past ContinuousSentences and Non SentencesCompound SentencesConditional Sentences Type I, IIActive & PassiveDegree of ComparisonThe First Conditional (if/unless)Past Perfect or Past Perfect ContinuousPast simple vs Present perfectVocabulary and PhrasesOther quiz:
Grammar › ViewShe’s going to quit her job, she’s completely _____.
A. under it.
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Grammar › View
Select the correct phrase to complete the sentence: “The quality control team checks the materials ___ they are delivered.”
A. after
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A. Wistful
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Future Tense and Conditionals › View
If we go to the market, we ____ some fresh fruit.
A. buys
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