Professor Wang , _______ for his informative lectures, was warmly received by his students.
A、knowingB
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Tina_____haveknownthetruth,orshewouldhavetoldus.
_____ the teacher's suggestion, Tom finally found a way to settle the problem.
______ that no one was ever prepared for it.
Under no circumstance _____ to tell lies to parents.
We need a more capable leader, ______ with strong will and as well as good humour.
