878. Premature disclosure of the test sites might lead to the invalidity of the experiment. (VALID)

879. Politeness is one thing. Real kindness is another. You must learn to differentiate between the two. (DIFFERENT)

880. Children need to be able to communicate ideas effectively to have a good job in the future. (EFFECTIVE)

881. People in coastal areas live mainly on the aquaculture, which allows them to earn a great deal of money from the sea products. (CULTURE)

882. They seemed unaware of the drama being enacted a few feet away from them. (ACT)

883. The replacement of natural resources is becoming inadequate for the support of increasing population. (PLACE)

884. The Earth is divided into two hemispheres. (SPHERE)

885. It's hard to conceptualize thought without language. (CONCEPTION)

886. After four glasses of wine, he began to feel light-headed. (HEAD)

887. She made a triumphant return to the stage after several years working in television. (TRIUMPH)

888. When he doesn't like anyone, he often speaks in monosyllables. (SYLLABLE)

889. He shouldn't treat his parents disrespectfully. (RESPECT)

890. Visual impairments cause issues with eyesight that can interfere with students' academic success. (IMPAIR)

891. With two lyricists, Charles Hart and Richard Stilgoe, Lloyd Webber composed a hugely successful version of "The Phantom Of The Opera". (LYRIC)

892. The newspaper report before the trial may have had a prejudicial effect on the verdict. (PREJUDICE)

893. John: "Have you got any misgivings about the cooperation?" (GIVE)

894. Tom is a very methodical person and writes lists for everything. (METHOD)