[ Grammar ]
The sales of smartphones _______ declined since last year.
A. has
B. have
C. having
D. had

Random Topics:
First ConditionalPast Tense & Present Perfect TenseModals in the Past - Speculation and DeductionSimple Past or Past ContinuousDefinite and Indefinite ArticlesVerb + InfinitiveArticlesPast Tense and NeutralVerbs and PrepositionsCity PlacesOther quiz:
Tenses › View. My aunt and uncle … a film at the cinema now, but usually they … to the theatre.
A. are watching; are going
B. are watching; go
C. watch; went
Formal & Informal Words › View
Informal word for due to
A. job
B. because of
C. requirements
Modal Verbs › ViewIf you’re feeling stressed, you __________take a break
A. Should
B. Must
Present Tenses › View
It tastes absolutely delicious.
A. Taste has a stative meaning here.
B. Taste has a dynamic meaning here.
