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.
2) I've been
3) failed
4) missed
5) didn't attend
5) I don't work
6) I sit
7) I've been sitting
8) I decided
9) I write