[ Adverb Clause ]
__________ the sun sets, the temperature drops significantly.
A. Until
B. Since
C. Although
D. After

Random Topics:
Grammar - Reflexive PronounsPresent Tense (Negatives and Questions)Places in TownSimple TenseSecond ConditionalVocabulary and GrammarPresent Simple and Present ContinuousDirect and Indirect QuestionWh QuestionsSubject and Verbs AgreementOther quiz:
Past Simple and Past Continuous Tenses › ViewWhat is the past tense form of the irregular verb ‘rain’?
A. rains
B. raining
C. rain
D. rained
Tenses › View
Sarah has lost her passport again. This is the second time this _______ .
A. has happened
B. happens
C. happened
D. is happening
Mixed General Quiz › ViewVisitors to São Paulo ___ it interesting to go to Instituto Butant�, a world famous research center that produces antivenin vaccine.
a. may find
b. must find
c. ought find
d. are able to find
Past Tense › View
They _____ students at CMAA.
A. was
B. will
C. were
