[ Grammar ]
Everest _____half a century ago
A. Is first climbed
B. Was first climbed
C. Has been first climbed
D. Has first climbed

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Articles and PrepositionsNoun QuantifiersVerbs, Tenses, and VocabularyModals and TensesConjunctions and PrepositionPreposition FormGrammar, Conditional Sentences, VocabularySynonyms and VocabularyPresent Simple Affirmative and NegativeConjunction and PunctuationOther quiz:
Grammar › ViewI seldom go out ______ the evening.
A. in
B. for
C. while
D. on
Grammar › View
He _________ really hard this week.
A. works
B. has been working
Question Words › ViewWith _________________ did you play badminton yesterday?
A. whom
B. whose
C. how
D. where
Definite and Zero Article › View
Before they arrived at _ New York, they used to live in _ Africa.
A. The, –
B. -, the
C. The, the
D. -,-
