[ Vocabulary ]
unmoving, unbending
A. rudimentary
B. venture
C. permeated
D. rigid

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How much and how manyPast Perfect and Past Perfect ContinuousIdentifying TensesApologizingVocabulary and PrepositionsPast Simple, Present Perfect TenseProgressive TensePreposition (at,in,on)Countable & Uncountable NounsGrammar, adverbs of frequency placementOther quiz:
Phrasal Verb › ViewWhat does “stay ahead” mean?
A. Move ahead of others
B. Stop doing something
C. Start a new plan
D. Succeed after hard work
Relative Clauses › View
Children ________eat a lot of candy often get bad teeth.
A. who
B. which
C. where
D. This
Grammar › ViewChoose the adjectives in the sentence given.
Veronica is a girl with big eyes and long hair.
A. girl, big
B. big, long
C. eyes, hair
D. Veronica, girl
Vocabulary › View
The theory that pieces of Earth’s lithosphere are in constant motion, driven by convection currents in the mantle.
A. convergent boundaries
B. Pangea
C. plate tectonics
D. convection currents
