When do we use: ‘on’?
A. Months, seasons, years, centuries, etc.
B. Precise Time
C. Days, dates
D. All above

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Passive to ActiveVerbs of movement“Put” Phrasal VerbPassive Voice, Question Tag, PrepositionsConditional Sentences Type I, IIPrepositions and Phrasal VerbsGerund & ParticipleBare Infinitive and To InfinitiveSentence Structure and Grammar RulesSimple, Compound, Complex SentencesOther quiz:
Mixed General Quiz › ViewYou need a thermometer ___ measuring temperature.
a. for
b. for to
c. to
Grammar › View
Which of the following phrases is an alliteration?
A. She is a pig.
B. He was as tall as a skyscraper.
C. Charlie cheats on cheat-sheets.
D. I told you a million times.
Vocabulary › Viewa group of two or more atoms that form the smallest identifiable unit through chemical bonds
A. atom
B. element
C. compound
D. molecule
Vocabulary and Grammar › View
. Why does the author compare space exploration to the Lewis and Clark journey?
A. to describe how the explorations were different
B. to give an example of earlier space explorations
C. to show that explorations are dangerous
D. to demonstrate the idea that space exploration brings opportunities
