[ Grammar ]
Switzerland is one of __________ (rich) countries in the world.
A. rich
B. richer
C. the richest
D. as rich
Select your answer:
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Auxiliary Verbs, if, unless and ModalPresent Simple for Future ArrangementTransitionsComparative and Superlative AdjectivesTenses of Verbs - UsageVerb to beModalGrammar - Present Perfect with already, just, yetTime ConjunctionsModal Verbs of PossibilityOther quiz:
Grammar › ViewPolice went to Ram’s house to collect evidences, but they couldn’t find _________ useful.
A. nothing
B. that
C. anything
Vocabulary and Grammar › View
Fill in the blank with the correct word. “Exams provide students with questions to test what they have ___.”
A. learned
B. learning
C. learn