[ Grammar & Vocabulary ]
These ______ are used to detect temperature changes in the new smart home system.
A. portions
B. leftovers
C. sensors
D. pollutants

Random Topics:
Nouns and VocabularyPossessive Pronouns and Adjective PronounsFuture Tense - will and going toSubject, Object, Possessive Pronoun and Possessive AdjectivesPast Simple VerbsCorrelative ConjunctionGrammar, adverbs of frequency placementso vs suchWish clauseNarrative Tenses & ConditionalsOther quiz:
Grammar › ViewThe actress herself wrote those lines.
A. Reflexive
B. Intensive
Grammar › View
Q: ______ the race?
A: Alex did.
A. What did win
B. What won
C. Who did win
D. Who won
Grammar › ViewOur neighbour has ______ yellow sports car.
A. a
B. an
C. the
Conjunction › View
I don’t like the rain _____________ I can’t play outside.
A. since
B. hence
C. though
D. but
