[ Vocabulary ]
to take care of; to keep in good condition
A. ancestor
B. maintain
C. scuttle
D. channel

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Prepositions & Modal VerbsModals of ProbabilityAdjectives and ArticlesAdjectives and VocabularyPresent Simple VS ContinuousFirst & Second ConditionalModal AuxiliariesModal Verbs for PossibilityThird ConditionalsAdverbs and PhrasesOther quiz:
Vocabulary & Grammar › View. This human-like robot is _____ of solving puzzles and doing household chores.
A. advanced
B. logical
C. digital
D. capable
Grammar › View
Someone left their notebook.
A. NO CHANGE
B. Someone left her notebook.
C. Someone left his notebook.
D. Someone left his or her notebook.
