改为被动,、 Canadians use French as a second language French—— —— as a second language —— —

1.is used in Canada
2.is grown them
3.should be chosen
4.was made to workJim will send an email to his friend next week his friend —— —— —— an email next weekwe must pass them some water right nowthey —— —— —— some water next weekMr Lin cooked them some English foodSome ehglish food —— —— —— them by Mr Lin1. will be sent2. must be passed3. was cooked for