A. changed
B. has changed
C. is changing
D. have changed
A. has been becoming
B. has become
C. became
D. will become
A. has turned
B. is turning
C. has been turning
D. have turned
A. have advanced
B. has advanced
C. has been advanced
D. is advancing
A. is accomplished
B. has been accomplishing
C. has accomplished
D. have accomplished
A. hasn’t completed
B. completed
C. have already completed
D. have not completed
A. has stop
B. is stopped
C. haven’t stopped
D. hasn’t stopped
A. haven’t yet arrived
B. haven’t already arrived
C. hasn’t yet arrived
D. didn’t arrive
A. experienced
B. have experience
C. has experienced
D. is experiencing
A. Has – been
B. Has – gone
C. Have – be
D. Have – been
A. has read
B. have read
C. read
D. red
A. has worked
B. have worked
C. have been worked
D. worked
A. has ever been
B. have been ever
C. has been ever
D. have ever been
A. has gone never
B. have never gone
C. has never gone
D. never has gone
A. have never gone
B. has gone never
C. has never gone
D. have gone never
A. have been
B. has been being
C. has been being
D. has been
A. has been waited
B. has waited
C. have waited
D. have been waited
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