_____ these experiments were successfully completed would we think of going into humans.

Animals suffered at the hands of Man ______ their homes were destroyed by people to make way for agricultural need to provide food for more people.

.          we all tried our best, we lost the game in the end.

As tensions flared this week between China and Japan over the Diaoyu Islands in ________ East China Sea, ________ senior US State Department official said the United States wants cooler heads to prevail.

I wondered ______ they had raised so much money on their own to help youngsters in need.