[ Tenses ]
. By next month, they __________ each other for a decade.
A. have known
B. had known
C. will have known

Random Topics:
Present Perfect or Past Simple TenseAdjectives and AdverbsThe Simple Present TenseWorld Literature VocabularyHabitual and Continuous TensesNoun, Verb, AdjectivePresent, Past, Present Perfect and ComparativeConditional Sentence 0, 1Conditional Sentences Type 1Prepositions of Location, Movement and TimeOther quiz:
Grammar › ViewWhich sentence is written correctly with an introductory phrase or word?
A. Yes, I am aware of the increase in participation.
B. Yes I am aware, of the increase in participation.
C. Yes I am aware of the increase in participation.
D. Yes I am, aware of the increase in participation.
Grammar › View
A _______ of kittens is drinking milk in the kitchen.
A. group
B. litter
C. flock
D. gang
Question Tag › ViewAll is well,…..?
A. isn’t they
B. isn’t it
C. aren’t they
Grammar › View
Choose the correct verb from the choices.
All of the music (were, was) classical.
A. was
B. were
