Fill in the Blanks MagazineOnline version Topics Of The Magazine by Juan Robayo 1 Preserve Have dunkan to peter cleaned been If If invented the Have can food by in was teen eighteen The will ACTIVE In eighteen teen peter dunkan invented the can to preserve the food PASSIVE Present Perfect I to Tokyo . you your room yet ? First Conditional it rains today , I'll stay at home . he is busy now , I come back tomorro w