[ Vocabulary ]
What is humidity?
A. The amount of water vapor in the air
B. A cutting and chopping tool
C. Dry material to light a fire
D. Branches of a tree
Select your answer:

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Modals and Active and Passive VoicePassive Voice with Modal VerbsInfinitives for reasonsRelative Clauses & Real ConditionalsLinking VerbsPast Modals & Phrasal Modals of ObbligationInversion + Passive VoiceIf Conditional Zero and OneSimple Past or Past ContinuousSimple Present and Present ContinuosOther quiz:
Grammar › ViewI am going to ________________house after school.
A. There
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Modals › View
Students ________________ pay to go to private schools, but state schools are free.
A. should
B. have to
C. has to
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