[ Auxiliary Verbs ]
Oliver and his brother ___ to take care of their sick father.
A. has
B. have
Random Topics:
PrepotitionsNoun ClausesRelative ClausePresent Simple/AffirmativeUse of Prepositions or ConjunctionsGerund & InfinitivePresent Tense vs Past TenseLexico and GrammarPresent Perfect, Present Simple, Present ContinuousGrammar - to beOther quiz:
Grammar › ViewI left the party early, ……………….. I didn’t feel well.
A. because
B. but
C. until
Vocabulary & Grammar › View
The desert is a difficult _____ for people to live in.
A. country
B. environmental
C. environment
Past Simple › ViewShe ……… tennis last week.
A. plays
B. doesn`t play
C. didn`t played
D. didn`t play
Vocabulary › View
a physical system that does not allow transfer of matter in or out of the system
A. conservation of matter
B. closed system
C. reactant
D. chemical reaction