He doubted ______ it was true.
A.if
B.that
C.as though
D.as if
What he needs is nothing _____ a few day's rest.
A. than
B. but
C. except
D. besides
The originally clean river is now seriously polluted and unfit _______.
A.to swim
B.for swimming
C.to swim in
D.for swimming in
She soon ______ to do this regularly.
A.found it possible
B.found possibility
C.found it being possible
D.found possible
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