A. have pity on B. change one's mind C. repetition D. laser A. rhythmic B. true C. at a time D. everybody A. make use of B. cottage C. adamant D. e-book A. when B. diamond C. dragon D. science A. dread B. salad C. writing paper D. up-to-date A. diploma B. a lot of C. fetch D. maximum A. lifelong B. reflector C. blank D. fluently A. sky B. run out of C. yacht D. public A. mouth B. disappearance C. hush D. merrily A. percentage B. compass C. flute D. on earth