Question

1 he said he (is staying/was staying) at the "hilton" hotel then 2 i am sure you (must/had to) go to the meeting 3 the teacher promised that the pupils (read/would read) the text the next day 4 i don't know whether he (will come/ would come) or not

Answer 1

1 was
2 зависит от контекста
3 would read
4 will come