23. Failure as he has been in his previo
题型:选择题
问题:
23. Failure as he has been in his previous attempts, he still sticks _________ the research aimed _______ increasing production.
A.in; to
B.out; at
C.on; in
D.with; at
23. Failure as he has been in his previous attempts, he still sticks _________ the research aimed _______ increasing production.
A.in; to
B.out; at
C.on; in
D.with; at