1вопр Electronic machines ... do work much quicker than man. Выберите один ответ: a. can b. may c. could 2вопр You ... to fix the device yourself as the laboratory assistant is out. Выберите один ответ: a. must b. had to c. will have 3вопр Old machinery ... be replaced. Выберите один ответ: a. may b. can c. must 4вопр The conference ... to take place next month. Выберите один ответ: a. is b. had c. are ответы чисто буквами а б или с.