Jack became seriously ill after ________ in polluted air for many years.
#89778
A
breathed 
B
breath 
C
breathing 
D
to breathe
推荐题目
______ money,it remains to see whether we can put the idea into practice.
#92140
A
Lacking
B
Lacked
C
To lack
D
Having lacked
Please excuse my _________ in without _________.
#94424
A
come; asking
B
coming; asking
C
to come; being asked
D
coming; being asked
____ to teaching, as we know, contributes to his popularity with his students.
#88506
A
To devote
B
Devoted
C
Being devoted
D
Devoting