Раскройте скобки, употребив глаголы в соответствующем времени, лице, числе: Dear…

Раскройте скобки, употребив глаголы в соответствующем времени, лице, числе: Dear Boris, (1) I (receive) your letter about a month ago,but I couldn’t find time to answer it. (2) I (be) very busy lately. (3) Three days ago I (fail) in History, as (4) I (miss) many lectures and (5) (not to attend) seminars. (5) In general, I (not to work) hard. (6) Right now it is 6 o’clock and I (sit) at my desk. (7) I (sit) here for five hours doing my work. (8) I (decide) to have a few hours rest, so (9) I (write) to you. Please, write soon.