A two-year-old girl named Niu Niu, _______ falling from the IOth floor of a building, was caught by a "super-mother" Wu Juping with her bare arms.
_____ she was sick, I was expected to take his place greatly surprised me, for I didn’t have much work experience.
—Did you have any difficulty catching yesterday’s lecture? —No. The professor spoke very clearly to make his speech easy _____.
After months of voyage, Columbus arrived in _____ later proved a new continent.
—Do you think our team will win the game? —I don’t know. But this is the last chance. We _____ them to.
____ our natural resources is very necessary.