Most lighthouses rhythmically flash ______ eclipse their lights to provide an identification signal. The particular pattern of flashes ____ eclipses is known as the character of the light, _____ the interval at which it repeats itself is called the period.
A. or, or, and
B. but, or, and
C. and, and, or
D. or, and, but

Random Topics:
Pronoun Antecedent AgreementPresent Perfect, Present Simple, Present ContinuousNarrative, Past TensesGrammar - Future ActionGerund and InfinitivesGrammar SuffixesAdverbs of frequencyVerb TensesAdjective Clause and Adverb ClauseHave to / Do not have toOther quiz:
Wh Questions › ViewWhy are you playing quizizz?
A. Because it is great
B. I am not using a phone
C. At the beach
D. No
Plural › View
What’s the plural of mouse?
A. Mice
B. Mouses
C. Mousies
I didn’t get the job … I had all the necessary qualifications.
A. although
B. because
C. in spite of
D. despite
Past Simple and Past Continuous Tenses › View
Which tense is used to talk about specific actions that happened at a particular time in the past?
A. Future Continuous
B. Present Perfect
C. Past Continuous
D. Past Simple
