[ Prepositions ]
The students were amazed _____ the results of their science experiment.
A. of
B. in
C. at
D. for

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Grammar: AgreementDefinite and Zero ArticleNoun Phrases and AdverbialsGerund or to InfinitiveGrammar - to be, possessive, have gotGrammar AssessmentPresent Perfect vs Past Simple TenseArticles A and AnPresent simple or Past simpleCompound Words and SentencesOther quiz:
Vocabulary › ViewWhich are synonyms for “valid”?
A. unconvincing, false
B. actual, genuine
C. persuasive, convincing
Grammar › View
Mr Tan demanded that Ali ______ to his seat.
A. return
B. returns
C. returned
D. will return
