[ Tenses with Time Expressions ]
They have known each other ___ five years.
A. since
B. after
C. during
D. for

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Articles and QuantifiersAsking & Giving AttentionNarrative Tenses & ConditionalsGrammar Double Object VerbsAlthough / DespiteShould and Shouldn'tPresent, Past, Present Perfect and ComparativeConjunctions, Interjections and DeterminersPassive Modals in Different TensesGrammar Comma UsageOther quiz:
Grammar › ViewThe final querter of the match was really … .
A. exciting
B. excited
Grammar › View
Sam is ten years old, but he can jump ___________ than his mom.
A. high
B. highly
C. higher
D. highest
