[ Vocabulary ]
How does a volcano form?
A. when ice from glaciers build up
B. when rocks build up around a mountain
C. when lava pushes up through an existing mountain
D. when a lot of lava flows out at one spot and forms a mountain
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Determiners & QuantifiersSimple and Compound SentencesModals of PredictionLinking Verbs & Helping VerbsDEGREE COMPARISONPast Tense and Perfect TenseVocabulary and ModalsSubordinating ConjunctionPast Simple, Present Perfect TenseModal Verbs for Permission and ObligationOther quiz:
Vocabulary & Grammar › ViewMongolian children start to learn _____________ before they can walk.
A. horse riding
B. riding horse
C. ride horse
D. horse ridden
Conditional Sentences › View
If I ____ her address, I would send her an invitation.
A. knew
B. know
C. will know
Grammar › ViewI _______________ my face at the moment.
A. was washing
B. am washing
Vocabulary and Grammar › View
She ________________ in Bangkok.
A. is live
B. live
C. lives
D. living