[ Conjunctions and Commas ]
Mr. Norton wondered if he should take a nap in the morning _____ in the afternoon.
A. or
B. unless

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Adjective Clause and Adverb ClausePast simple vs Present perfectNoun Verb AgreementInfinitive or GerundComparative and Superlative AdverbsGrammar - Present and Past PassiveSentence Structure and PunctuationVerb Tenses and Sentence StructureGRAMMAR - Could / Could notTenses - Pasive VoiceOther quiz:
Past Tense vs Present Tense › ViewI ….. him two days ago.
A. know
B. knew
C. known
D. knowed
Vocabulary and Grammar › View
You can see these more easily in places where there are no city lights.
A. constellations
B. rainbow
C. satellite
D. telescope
Vocabulary › Viewto show good performance so you can take part in a competition
A. qualify
B. tender
C. hesitant
D. strict
Vocabulary and Grammar › View
The new metro system is very __________ for daily commuters.
A. inconvenient
B. difficult
C. convenient
D. unreliable
