The teacher apologized ____ late. A. to his students to arrive B. to his students for arriving C. for his students to arrive D. for his students for arrivin
. LONDON(Reuters)—Ecotourism(生态旅游) is causing a lot of damage to wildlife and may be endangering the survival of the very animals people are flocking to see, according to researchers. Biolog
In the depths of my memory, many things I did with my father still live. These things come to represent, in fact, what I call __21__and love. I don’t remember my father ever getting int
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