[ Tenses ]
Developers ______ new technologies for improving online privacy in recent years.
A. will invent
B. had invented
C. have invented
D. invent

Random Topics:
Simple Past ContinuosGrammar Double Object VerbsPossessive Adjectives VS Possessive PronounsInfinitives or GerundsWill and Going toPast ContinuousVerb Tenses and AgreementModal Auxiliary VerbsActive and Passive Gerunds and InfinitivesClauses and ConjunctionsOther quiz:
Grammar › View—- of the teachers thought the academic term wouldn’t be enough to cover all the subjects so a number of units of the book were skipped.
A. Most
B. No
C. None
D. Much
Phrasal Verb › View
Sorry sir, I am late. I have to stop by the gas station because my car _____ petrol.
A. Ran away with
B. Ran out on
C. Ran out
D. Ran out of
Prepositions of Place › ViewThe radome is ______the nose of the aircraft.
A. in
B. on
C. at
Grammar › View
There _____ fewer people at the shopping malls now.
A. is
B. are
C. was
D. were
