[ Conditionals and Modals of Probability ]
Unless you ____ louder, your classmates won’t understand you.
A. didn’t speak
B. had spoken
C. don’t speak
D. speak

Random Topics:
The Present Progressive TenseGrammar - First ConditionalPassive Voice - Present TensesWish SentenceGrammar-Present Continuous-Sentence MakingPast and Future TensesComparative and Superlative AdjectiveNoun ClausesMixed TensesGrammar - too & enoughOther quiz:
Adjective Suffixes › ViewI didn’t enjoy running the marathon. It was more —– than I expected.
A. challenged
B. challenging
C. challengeful
Modals › View
I looked everywhere but I can’t find Mrs. Smith.
A. She must at home.
B. She must be at home.
Definite vs Zero Article Abstract Nouns › View____ freedom women experience in the Americas and Europe is greater than that experienced by women in the Middle East.
A. the
B. (-)
Grammar › View
The cat ______ going to sleep.
A. am
B. is
C. are
