★ Present Perfect Simple & Continuous
There ______ some improvements on Twitter since Elon Musk bought it.
A. has been
B. have been
C. has been being
D. have been being
Preview next quiz:
How long ______ your dad ______ this car? It looks really old.
A. have / had
B. has / had
C. have / been having
D. has / been having
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