[ Grammar ]
Do you know how … this laptop?
A. used to
B. to use
C. to used

Random Topics:
Present Simple x Present ContinuousPassive Voice with ModalsSimple Past ContinuosComparative AdjectiveWill vs Verb InfinitivesTime PhrasesIntensifiers: Really vs VeryModal VerbState Verbs and Action VerbsAdjective and AdverbOther quiz:
Grammar › ViewHe will be fighting with her girlfriend.
A. Simple Future
B. Future Past
C. Future Continous
Modal Verbs › View
Rewrite the sentence using modal verbs:
It is not possible for us to solve this puzzle without clues.
A. We might solve this puzzle without clues.
B. We cannot solve this puzzle without clues.
C. We should solve this puzzle without clues.
D. We don’t need to solve this puzzle without clues.
Grammar › ViewWhen he ________ a child, he read many books.
A. are
B. is
C. was
D. were
Grammar › View
Be careful when you enter the building, _____ water everywhere.
A. it’s
B. there’s
C. it
D. theres