A: interrupt, disturb, bother
She was __________ to hear of your illness.
I'm sorry to __________ the meeting, but there is an urgent long-distance call for Mr Zhou.
Don't __________ yourself too much about me.
We __________ in the middle of our conversation.
B: regardless of, in spite of, despite
__________ all his efforts, he failed in his English exam.
The training class welcomes all students __________ age.
__________ the fact that the doctor told him to rest, Jack went to Spain.