He earned enough money to start his own business _____ offering guide services _____ tourists.
#28957
A
by; to
B
with; at
C
on; for
D
through; with
推荐题目
(2013·湖北，30)An artist who was recently traveling on a ferry to the southern island discovered________a long lost antique Greek vase.
#25355
A
at random
B
by chance
C
in turn
D
on occasion
I think teachers should be strict _______ their students ______ studies.
#25648
A
in; with
B
with; in
C
about; in
D
with; for
In the factory, the helmets the workers wore varied _____ color according to their different posts.
#26057
A
from
B
in
C
with
D
alongside