[ Grammar ]
Children ____ more time outdoors with their friends before the smartphones ____.
A. were spending / have been invented
B. would spend / were invented
C. would be spending / had invented
D. have spent / are invented

Random Topics:
Gerund and To InfinitiveSecond ConditionalConditional SentencesPoetry VocabularySimple Present and Present ContinuousComparatives and SuperlativesSingular and Plural NounsPast and Present TensesPresent Perfect and Past TensesGerund or InfinitiveOther quiz:
Conjunctions › ViewChoose the correct answer.
Do you like to drink coffee _________ tea?
A. and
B. but
C. or
Tenses › View
Hani was at the amusement park
Change into Present Perfect Continuous!
A. Hani has been at the amusement park
B. Hani is at the amusement park
C. Hani will have been at the amusement park
D. Hani had been at the amusement park
Grammar › ViewJane hasn’t replied to my instant message … .
A. already
B. yet
C. just
D. rarely
Vocabulary › View
the action of mentioning or alluding to something.
A. reference
B. ensure
C. arising
D. disrupt
