[ 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:
Vocabulary › ViewMany families choose to __________ in search of better opportunities abroad. (emigrate/immigrate)
A. emigrate
B. immigrate
Mixed General Quiz › View
El Salvador is a country in ___ America.
a. South
b. Central
c. North
The 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
