[ Tenses ]
They … us so well
A. known
B. knew
C. know
D. knowing

Random Topics:
Time Clauses of FutureAdjectives and PrepositionsGrammar and PunctuationConditional Sentence Type 0-3Conditionals (0 - 1 - 2)Modals and ResponsibilitiesSentence Fragments and Complete SentencesModal Auxiliaries and Similar ExpressionsPrepositions of MovementDistinguishing Future TensesOther quiz:
Mixed General Quiz › ViewThe phone is ringing. It _________________ Mary. She promised she would call.
A. must be
B. had to be
C. must have been
Adjective or Adverb › View
When someone criticises you, you should react …
A. friendly
B. friendlily
C. in a friendly way