[ Time Clauses of Future ]
You can keep potatoes for a few weeks at home ______ you store them in a cool place.
A. unless
B. as long as

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COUNT - NONCOUNT NOUNSHow often - long - much - manyCardiology ServicesTypes of Sentence StructuresNeither/Either/All/NonePrepositions of Time, Place, and MovementVerbs & AdverbsGrammar Past and Future TensePossessive Adjective and PronounTransitive or Intransitive VerbsOther quiz:
Present Tense › ViewJacky often… to Singapore for vacation
A. are travelling
B. is travelling
C. Travels
D. Travel
Tenses › View
Identify the present continuous tense in the following sentence: They are playing basketball at the moment.
A. were playing
B. will play
C. is playing
D. are playing
Adjective Clause › ViewOur cousins, who are five and seven are great.
A. Who
B. Are
C. Seven
D. Great
Present Continuous › View
He ____________________at the top of the mountain right now .
A. is climbing
B. are climbing
C. am climbing
D. climbs
