Visitors should reserve opera tickets well in advance ___ they hope to see a performance while in Westgard City.
A. and
B. or
C. if
D. until

Random Topics:
must/shouldComparative Adjectives and AdverbsLinking Verbs & Helping VerbsTag QuestionGrammar - TOEICEnglish MorphosyntaxGrammar - Punctuation of Sentencesso vs suchReflexive pronounsModal and Relative PhrasesOther quiz:
Phrasal Verb › ViewThe bus only stops here to ________ passengers.
A. alight
B. get on
C. get off
D. pick up
Grammar › View
Identify whether the following sentence is a complete sentence, sentence fragment, or run-on sentence: “The cross-country team cheered after winning the city championship.”
A. Complete Sentence
B. Sentence Fragment
C. Run-On Sentence
D. None of the above
Grammar › ViewWhich sentence is a sentence fragment, and needs to be fixed?
A. She was excited to go on vacation over the holiday.
B. Excited to go on vacation over the holiday.
Conjunctions › View
What is the correct adverb for showing contrast? “The proposal was rejected; ___, we need to come up with a new plan.”
A. therefore
B. however
C. consequently
