A. each 80 minute B. each 80 minutes C. every 80minutes D. every 80 minutes
A. the 1990s;450km B. the 1990;450km C. 1990s;450km D. 1990;450kms
A. a day 15 time B. a day 15 times C. 15 time a day D. 15 times a day
A. spend B. charge C. change D. budget