We cannot conduct the experiment __________ we receive the necessary equipment.
A. until
B. before
C. if
D. though

Random Topics:
Quantifiers / Prepositions of Time and Comparative AdjectivesConjunctions in Complex SentencesAdjectives or AdverbsObject PronounsModals Deduction: cant /mustTag QuestionRelative & ModalsPrepositions and Preposition PhrasesTenses: Present simple, Past Simple, Future SimplePresent Simple and Present Continuous TensesOther quiz:
Reported Speech › ViewLena said, “Where have you been yesterday?”
Lena asked ___ .
A) where she had been the day before.
B) where she had been yesterday.
C) where she was the day before.
D) where she could be the day before
Speech Tenses › View
Differentiate between direct and reported speech: ‘I need help,’ she said. She said that she needed help.
A. Direct speech: ‘I need help,’ she said. Reported speech: She said that she wants help.
B. Direct speech: ‘I need help,’ she said. Reported speech: She said that she requires help.
C. Direct speech: ‘I need help,’ she said. Reported speech: She said that she needs help.
D. Direct speech: ‘I need help,’ she said. Reported speech: She said that she needed help.
Relative Pronouns and Adverbs › ViewIs this correct????
The box, that was sent to me, is sitting outside the mailbox.
A. YES
B. NO
Comparison › View
In my opinion, safety is __________ important factor to rank a city.
A. the second
B. the second most
C. second the most
D. most the second
