[ Subjunctives ]
Many argue that the world will never make the switch to cleaner forms of energy … easily obtainable soil sources remain.
A. suppose that
B. providing that
C. unless
D. as long as

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Noun and PronounSimple Present Tense vs Present Continuous TensePrepositions after VerbsPresent Simple VS ContinuousAdverbs by TypeA(n), the, no articleVerbal CommunicationPast Narrative TensesGrammar Double Object VerbsPresent simple or Past simpleOther quiz:
Grammar › ViewMy grandmother ______________ away before I was born.
A.passed
B, died
C. got
D. disappeared
Vocabulary › View
State between the North and the South that was divided over whether to stay in the Union or join the Confederacy.
A. border state
B. border ruffians
C. blockade
D. arsenal
Grammar › ViewThe contractor renovated our kitchen last month.
A. Passive
B. Active
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These books … to the library next week.
A. have to return
B. has to be returned
C. have to be returned
