[ 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 › ViewYou look very hot. Have you ___________?
A. been running
B. run
C. been run
D. running
Tenses › View
My friends ___ ____ match lesson right now.
A. Are, take
B. Didn’t take
C. Is, taking
D. Are, taking
Grammar › ViewThe contractor renovated our kitchen last month.
A. Passive
B. Active
Grammar › View
These books … to the library next week.
A. have to return
B. has to be returned
C. have to be returned
