问题
In case of emergency, whether knowing how to apply first aid or not really ________ in matters concerning wounds like swollen wrists, broken arms, burns, cuts, and so on.[ ]
A: makes difference
B: makes a difference
C: makes differences
D: makes different
B: makes a difference
C: makes differences
D: makes different
正确答案是：
同类题型
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Michael put up a picture of Yao Ming beside the bed to keep himself ________ of his own dreams[ ]