30.John regretted to the meeting last week.
30.John regretted to the meeting last week.
30.John regretted () to the meeting last week.
A.not going
B.not to go
C.not have been going
D.not to be going
30.John regretted () to the meeting last week.
A.not going
B.not to go
C.not have been going
D.not to be going
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