Răspuns:
I:
1) was leading ; had.
2) was reading; came
3) I've been watching; got
4) appeared; was studying
5) have been singing; never sang
6) has been sleeping
7) wants; get.
8) has achieved; has even climbed.
II:
1) a 2) a 3) b 4) c 5) b 6)b 7)b 8)b 9)a 10)c