[ Adverb Clause ]
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:
Prepositions of Time and Place › ViewThe book is __________ my bag.
A. in
B. on
C. at
D. under
Figurative Language › View
What’s the meaning of this personification?
“The camera loves me!”
A. Photography is one of my hobbies.
B. I own an expensive camera.
C. Photos of me are always really good.
D. I like to visit art museums.
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