Răspuns:
1) buys
2) is typing
3) know
4) was skiing
5) met
6) He has just finished his essay.
7) haven't seen
8) have watched
9) will you go
10) What will he be doing by this time tomorrow?
11) to open
12) where do I want
13) I shall speak
14) had repaired
15) when I finish
16) finds
17) had learned
18) had
19) wouldn't have lost
20) wouldn't be able to
