[ Linking Verb ]
Street lights can ……… when the streets are empty and sensors can inform waste collection teams when the bins are full.
A. turn on
B. turn down
C. turn up
D. turn off

Random Topics:
Comparatives and Past Perfect TenseComplex PrepositionsModal SpeculationPresent Perfect Continuous TenseQuantifiers: too many, too much & enoughIn/On/At + TimeGrammar and Verb TensesThe First Conditional SentenceModals and TensesAdverb & Compound SentencesOther quiz:
Tenses › ViewThey ………. the lesson well every day.
A. understands
B. understanding
C. understand
D. understood
Grammar › View
They ________ gone out. Their car is in the garage.
A. might have
B. must have
C. can’t have
Grammar › ViewThe doctor has been advising him to _______ smoking for a while.
A. lay off
B. lay out
C. lay on
D. lay up
Grammar Suffixes › View
Which word means completes the sentence?
The play was so boring! It seemed ____________.
A. endful
B. endless
