[ Grammar ]
Ostriches can run fast _____ they cannot fly.
A. and
B. or
C. but
D. so

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Comparison & Modal Verbs in Passive VoicePresent Simple TenseGerunds in SentencesTenses and Passive VoiceSentence Structure and Grammar RulesNoun, Pronoun, Adjective, VerbSentence Fragments and Complete SentencesComparatives and ConjunctionsLinking VerbsPrepositions and Preposition PhrasesOther quiz:
Conditional Clause › Viewit …. easier to speak English if you have many vocabularies
A. will be
B. will
C. would be
D. would
Tenses › View
My friends…………………(not study) English at the moment
A. isn’t studying
B. isn’t study
C. aren’t study
D. aren’t studying