19/ a.have you known
b. have been
A. used
A.
b.are working
a.
b.lost
a.have always believed
b.
A.teaches
b.
A.opened
b.
A.
b.didnt/did not taste it yet
a.
b.looked
a.
b.am cleaning
a.
b.just drinked it
a.
b.just moved
20/
2 just recieved
3decided
4goes
5tries
6has already planed
7sold
8buied