A. breathe B. impending C. education D. I think so A. deaf B. fire C. confine D. oxygen A. smarter B. look after C. border D. teach A. ratio B. prize C. comprehensive D. lay eggs A. stray B. seriously C. overpopulated D. future A. life B. How nice C. smooth D. rider A. out of control B. sympathetically C. possible D. pardon me A. video B. half an hour C. admission D. intimate A. Seemingly B. street C. Shanghai Museum D. terrible A. thoughtful B. path C. mitten D. village