To my mind, the secret to happiness _____ your successful work and your contribution towards others' happiness. 
#66531
A
results in
B
consists in
C
brings in
D
takes in
推荐题目
The professor came into the classroom, ____.
#83452
A
book under arm
B
a book under arm
C
book under an arm
D
with book under the arm
The new building _____ at the end of this year _____ to that university.
#64669
A
be completed; belongs
B
being completed; is belonging
C
to be completed; belongs
D
completed; is belonged