[ Grammar ]
They —————– each other for three years.
A. has known
B. know
C. have known
D. will know

Random Topics:
Prepositions and Prepositional PhrasesTypes of PrepositionGrammar - Present Perfect with already, just, yetNoun, Pronoun, Adjective, VerbIf Conditional Zero and OnePassive Voice - Present TensesZero & First ContidionalThings in EnglishSimple Future TenseGoing To Be and WillOther quiz:
Grammar › ViewWhich word below is a noun?
A. beautiful
B. sour
C. dog
D. sunny
Grammar › View
Tatiana asked: “What do you think?” This question in Reported Speech is…
A. Tatiana asked what did I think.
B. Tatiana asked what I did think.
C. Tatiana asked what I think.
D. Tatiana asked what I thought.
Grammar › View______ we were in town, we often met him.
A. For
B. Although
C. So
D. When
Vocabulary and Grammar › View
. Be quiet, please. I _______ my homework.
A. do
B. am doing
C. doing
D. did
