适当怎么写

tell him not to forget to take it with himthe lady standing behind the counter if my friendi bought two expensive hats here half an hour agohe is the man who offered me a job in england.you served this gentleman half an hour ago/this gentleman served you half an hour agohe said he was the man who bought these booksyou are not looking well (so) you must be illthis must be the car i bought the day before yesterday/this was the car i bought the day before yesterday。