[ Grammar ]
We _____ them for over ten years
A. have known
B. know
C. have been knowing
D. are knowing

Random Topics:
Passive Modals, Impersonal PassivePast Simple, Past Continuous, Past PerfectInterrogative PronounsArticle the or zero article (-)ClausesCommasConditionals Type ICoordinating Conjunctions and Comparative AdjectivesSpeech TensesTemporal Conjunctions and ConnectivesOther quiz:
Phrase and Clause › ViewChoose the best clause to make this a grammatical sentence.
“When you go ice skating, ………”
A. although you can hold the rail to keep your balance.
B. it helps to hold the rail to keep your balance.
Grammar and Vocabulary › View
The ….. of information sharing these days is extremely fast.
A. concept
B. pace
C. medium
D. update
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A. To
B. In
C. On
D. At
Past Continuous and Past Simple Tense › View
As Sophie …………………. up Regent Street she ………………….. an old friend from collage.
A. was walking / met
B. walked / meet
C. was walking / was meeting
D. walked / met