I________ an important conference at 10 o’clock this Sunday morning.
#100889
A
will have attended
B
will be attending
C
have been attending
D
have attended
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He feels that his health ____ owing to ____ a long walk every other day. 
#104858
A
is improving; taking
B
has been improved; being taken
C
improved; taken
D
is improving; have taken