Many workers were organized to clear away remained of the World Trade Center

________ to the hot weather here was more difficult than I had expected.

Will you take up teaching as a career after graduation? — Hard to say. I ______ go abroad for higher education instead.[ ]

idn’t feel at ____ease in the party, because he was afraid of losing ____face.

The key _____ four modernizationslies _____ the science and education