1.has learned
2.have cured
3.have split
4.have grown
5.has become
6.has improved
7.have seen
8.has never traveled
9.has learned
10.have you met ?-no , i have never met ..
11.Have you seen that ..?-I have seen that movie. ..
12.have met
13.have traveled
14.Have you been. .?-I have been. ..
15.hasn't finished yet
16.Bill hasn't arrived yet
17.hasn't stopped
18.has loved
19. has been
1. was reading
2. was standing
3. was doing
4. was
5. was playing
6. didn't know, left
1 C 2 C 3 A 4 C 5 B 6 A 7 C 8 C 9 C 10 A 11 B 12 A 13 C 14 C 15 B 16 C 17 A 18 C