[ 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:
Vocabulary › ViewA state of agitation and excitement
A. Wistful
B. Haggard
C. Lassitude
D. Ferment
Future Tense and Conditionals › View
If we go to the market, we ____ some fresh fruit.
A. buys
B. will buy
C. buy
D. buying
