[ Modal Auxiliaries and Similar Expressions ]
Which sentence means ‘I was not familiar with using Linux before, but now I am’?
A. I used to using Linux.
B. I am used to using Linux.
C. I used to use Linux.
D. I must use Linux.

Random Topics:
Modals of ObligationGrammar - Be going toSo - Too - Either - NeitherNoun, Verb, AdjectivePast Perfect Tense and Past TenseSimple Present and Present Continuous TenseNounsTransitionsIN, ON & ATConjunctive AdverbsOther quiz:
Vocabulary › ViewDefine evolve…
A. Develop gradually, rise to a higher level
B. To go back in time
C. Turning in circles
D. To run away
Past Tense › View
Ann _______ play tennis this morning.
A. don´t play
B. plaied
C. didn´t
Vocabulary › ViewThe football team was no match for its _______________________ opponent.
A. diffident
B. indomitable
C. dearth
D. pungent
Grammar › View
Choose the complete sentence
A. A green
B. I see a green plant.
C. green plant
