[ Adverb Clause ]
__________ the teacher explains the concept, the students won’t understand it.
A. Until
B. Unless
C. Although
D. Before
Select your answer:

Random Topics:
Travel VocabularyPhrase and ClauseModals and Semi-ModalsPassive Voice and ModalsComparative - SuperlativeGrammar-Verbs & Nouns Singular, Plural, GenderConditionals III - Mixed 1st, 2nd & 3rd ConditionalsParts of Speech and Compound SentencesModals of ObligationState Verbs and Action VerbsOther quiz:
Grammar › ViewRussia is … than Italy.
A. big
B. biger
C. bigger
Grammar › View
which is the correct sentence?
A. We frequently go climbing
B. We go frequently climbing
