Complete the following sentences,using the words given in br

Complete the following sentences,using the words given in brackets!
1.I ...that it was a mistake to let him go（can´t help）
2.After drinking heavily at the New York´s Eve party,...the next morning with a painful headache（waken）
3.His classmates tried to...swimming across the lake,but he did not listen（dissuade）
4.After studying Uint One,we all..our study habits（set out）
5.I recognized him as a friend of my father´s whom I...once or twice（previously）
6.Of all American cities,San Francisico is considerd by many to...beautiful（by far）

1.I (couldn't help thinking) that it was a mistake to let him go.
2.After drinking heavily at the New Year's Eve party,(I/he/she woke up) the next morning with a painful headache.
3.His classmates tried to (dissuade him from) swimming across the lake,but he did not listen.
4.After studying Unit One,we all (set out fixing) our stdy habits.
5.I recognized him as a friend of my fathers whom I (had previously met) once or twice.
6.Of all Americam cities,San Francisco is considered by many to (be by far the most) beautiful.