Topics: Present Perfect or Past Simple Tense
Technology __________ some failures over the years.
A. has
B. has had
C. had
D. having
Select your answer:

Random Topics:
Personal PronounsPhrasal VerbElectricity VocabularyModal RequestsFirst ConditionalsSimple PastSimple Past or Past ContinuousPast, Present, FutureNoun PhrasesActive vs. Passive VoiceOther quiz:
Subject Verb Agreement › ViewThe footprints in the cave ________ very large.
A. seems
B. seem
Grammar › View
When I…………a child I …………..watch a lot of cartoons.
A. am,would
B. was,used
C. was,used to
