[ Prepositions ]
Thanks ………. . your letter.
A. on
B. for
C. at
D. from

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Conjunctions and PrepositionDefinite and Indefinite ArticleVerb Moods and Vague PronounsVerb TensePoetryPhrasesPassive Voice & TensesComparison & Modal Verbs in Passive VoicePresent Continuos TenseVocabulary & GrammarOther quiz:
Homophone & Homonym › View He used a chain saw to cut down a tree.
A. toothed cutting tool
B. past tense of see
Grammar › View
A:Hey, I got a good grade on the science test. B:That’s great. A:I think(覺得)I could do well(好地)on the test all ___ you.
A. through
B. because of
C. because
D. by
Grammar and Absence › ViewWhich of the following is correct?
A. I was happy yesterday.
B. I am happy yesterday.
C. I were happy yesterday.
D. I happy yesterday.
Tenses › View
He hasn’t written a letter yet.
A. Future Simple
B. Present Perfect
C. Past Simple
D. Present Continuous