问题
选择题
I think you should ________ your studies, or you will never achieve your goal of entering an ideal college.[ ]
A．depend on
B．concentrate on
C．put on
D．come on
答案
答案：B
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I think you should ________ your studies, or you will never achieve your goal of entering an ideal college.[ ]
A．depend on
B．concentrate on
C．put on
D．come on
答案：B