[ Grammar ]
I know the answer __________ I can’t tell you.
A. unless
B. after
C. but
D. although

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PrepositionRelative ClausesSimple vs Continuous Past TenseGrammar (either..or.. and neither..nor..)Grammar: SyntaxPassive Voice - Present Simple and Past SimpleGerund, Infinitive & ModalsSentence Structure and ConjunctionsVerb Patterns / IngAdverbial Clause / If / ComparativesOther quiz:
Quantifiers › ViewIt’s an extremely poor country, It has _____ natural resources.
A. few
B. a few
C. little
D. hardly any
Relative Clause › View
Isobel,______brother he was, had heard the joke before.
A. that
B. whom
C. whose
D. who