问题
选择题
He studied hard every day, ________the exam. [ ]
A. aim at passing
B. aiming at passing
C. a
iming passing
D. aim to passing
答案
答案：B
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He studied hard every day, ________the exam. [ ]
A. aim at passing
B. aiming at passing
C. aiming passing
D. aim to passing
答案：B