A. stupid B. in a nutshell C. steel D. tablet A. he B. arm C. AIDS D. terrorist A. unhealthy B. take pictures C. but D. shopping mall A. inventor B. twenty C. ignorance D. individual A. big B. quite a lot C. rail D. prison A. hurdling B. situation C. rice D. rainbow A. spatial B. sterilize C. sleep D. favour A. actuality B. cry C. play chess D. throw A. at last B. understand C. can D. sit down A. embedded B. instrument C. carbon D. nineteen