( ) 1. bought ( ) 2. 1ength ( ) 3. relative ( ) 4. monkey ( ) 5. alone | A. through A. without A. recent A. blanket A. belong | B. although B. thus B. regular B. unknown B. also | C. rough C. birthplace C. review C. sandwich C. among | D. thought D. northern D. republic D. engineer D. concert |