It was not until he took up fishing that he ___ to relax.
A.had been beginning
B.began
C.had begun
D.beginning
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The president of the university, together with the deans, ___ planning a conference for the purpose of laying down a series of regulations.
A.were
B.are
C.is
D.will
The baby can't even walk, ___ run.
A.as well as
B.still less
C.no less than
D.still more
Even if ___, I won't go.
A.invited
B.being invited
C.having been invited
D.being known
Does the thin mountain air agree ___ you?
A.to
B.with
C.on
D.for