[ Vocabulary & Grammar ]
. He had his robot vacuum cleaner ____ by the engineer.
A. activate
B. to activate
C. activating
D. activated
Random Topics:
Adjectives vs AdverbsQuestion TagsIdiom and TensesPrefixes SuffixesArgumentative VocabularyPast ContinuousPrepositions and Preposition PhrasesPresent Perfect or Past Simple TenseFuture - will / going to / present continuousPassive and Active SentencesOther quiz:
Vocabulary and Grammar › ViewThe firefighters worked tirelessly to __ the family trapped in the burning building.
A. alert
B. failure
C. rescue
D. trap
Present Perfect Tense › View
He looks really tired. He …………….. slept …………. 48 hours.
A. haven’t / for
B. hasn’t / since
C. hasn’t / for
D. haven’t / since
Present Perfect Simple & Continuous › ViewThis is the third cup of coffee I ______ this morning, but I still don’t feel awake.
A. have had
B. have been having
C. have
D. had
Vocabulary › View
resources that cannot be replaced
A. Gross Domestic Product (GDP)
B. globalization
C. export
D. nonrenewable resources