Fill in blanks with a word (from text A) correpondent with the meaning of it. ______ adj. not married or engaged; still single. ______ n. the joint between the hand and the lower part of the arm ______ v. to spread liquid in small drops over an area ______ n. the outside or top layer of sth. ______ v. to wash sth. in clean water so as to take away soap ______ n. lack of interest or conern ______ adj. covered with oil or fat ______ v. to understand or realize that sth. is true. ______ v. to tell sb. you are pleased about their success or achievement. ______ adj. thoughtful of the rights or feelings of others