A. cigarette B. in a way C. minus D. restroom A. classic B. take pity on C. breathe D. assistant A. acknowledge B. X-ray C. annoyed D. sentence A. mineral B. principle C. agree with sb D. have to A. law B. tutor C. uncanny D. detective A. ambassador B. soon after C. bookstore D. fibre A. appendix B. octopus C. comprehend D. list A. harmful B. poverty C. expose to D. worry about A. grain B. kind-hearted C. rotating D. accelerate A. include B. ultimate C. has got D. leader