_____ with the size of the whole earth, the biggest ocean does not seem big at all.
U.S. President Barack Obama on Wednesday paid honor to health care workers who have treated Ebola patients in West Africa, calling them “heroes”_________ to be praised rather than discouraged.
It is reported that the government has ______ the poor in south African countries ______food, clothes and medicine.
— It’s a long time ______I saw you last. — And what is a pity now that it will be a long time______ we see each other again.
So quickly is science and technology advancing ______ is a possibility today may be a reality tomorrow.
With the widespread of fog and haze(雾霾) in central and eastern China, our government is supposed to ______ their efforts to prevent further pollution.