1.Before I (go) to London ,I (not/enjoy) learning English. 2.But while I (do) the language course,I (meet) lots of young people from all over the world. 3.There I (notice) how important it (be) to speak foreign languages nowadays. 4.Now I (have) much more fun learning English than I (have) before the course. 5.At the moment I (revise) English grammar. 6.And I (begin/already) to read the texts in my English textbooks again. 7.I (think) I (do) one unit every week. 8.My exam (be) on 15 May ,so there (not/be) any time to be lost.

Went, wasnt enjoy
Was doing, met
Noticed, is
Have, had
Am revising
Have already begun
Think, will do
Is going to be, isnt be