An observer 1.6 m tall is 203 away from a tower. The angle of elevation from his eye to the top of the tower is 30º. The heights of the tower is:
A. 21.6 m
B. 23.2 m
C. 24.72 m
D. None of these

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Parallelism and Subject Verb AgreementGrammar MistakesDependent PrepositionAdjectives with PrepositionPast Simple, Past Continuous, Past PerfectTenses & AffixesIrregular Plural NounsSynonymsVerbsGrammar - Be going toOther quiz:
Subject-Verb Agreement › ViewKnowledge gained after long study (disappear, disappears) rapidly from our minds.
A. Disappear
B. Disappears
Grammar › View
My idea is too open a free poker league that offers prizes to the winners of the free tournament.How could this sentence be improved?
A. My idea is too open a free poker league that offers prizes to the winners.
B. My idea is too open a free poker league that offers free prizes to tournament winners.
C. My idea is to open a free poker league that offers prizes to tournament winners.
D. My idea is to open a free poker league that offers prizes to the winner of the free tournament.
‘I meet her very rarely!’ Here ‘rarely’ is which type of Adverb?
A. Adverb of Time
B. Adverb of Manner
C. Adverb of Frequency
D. Adverb of Degree
Grammar and Vocabulary › View
__________ you in the bookstore at lunchtime?
A. Wasn`t
B. Was
C. Were
