[ 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:
Grammar › ViewMy mother_____________ my birthday.
A. always forgets
B. always is forgetting
C. forgets always
D. is forgetting always
Grammar › View
The telephone ________________ by Alexander Graham Bell
A. is being invented
B. is invented
C. was invented
D. will be invented
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