[ Vocabulary ]
to apply
A. friction
B. gravity
C. exert
D. force

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Conditionals Type IIrregular AdjectivesModals, Infinitives and GerundsSuch...that, so ......thatCoordinate ConjunctionPast Simple and Past ProgressiveAction VerbFuture Continuous, Future Perfect and Future Perfect ContinuousAdjectives-Comparison, SuperlativeSimple Present - WH QuestionsOther quiz:
Modal Verbs › ViewThe meeting begins at 9 p.m. I _____ come earlier. (not necessary)
A. mustn’t
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Grammar and Sentence Structure › View
. Select the proper verb form:
A. Trees helps clean the air
B. Trees help clean the air
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