Вставьте слова в пропуски the waiter had to chance the plates several times, ........?(...

Question

Вставьте слова в пропуски
the waiter had to chance the plates several times, ........?( had he\ hasn't he\didn't he\did he)
There should be a reason ......... everything.(of\to\for\at)

Answer 1

the waiter had to chance the plates several times, ........?( had he\ hasn't he\didn't he\did he)
There should be a reason ......... everything.(of\to\for\at)

didn't he
for