Only in recent years ______ to realize the importance of wildlife conservation.
They were surprised that a child could work out the problem____they themselves couldn't.
.I had been puzzled over the problem for over an hour without any result, _____ all at once thesolution flashed across my mind.
Sally worked late in the evening to finish her report _____ her boss could read it first thing next morning.
____much advice I gave him, he did exactly what he wanted to do.
Generally speaking, _____ according to the derections , the drug has no side effect.