问题
选择题
.
You must put your heart into what you are doing, or you ________ your aim.
A．never achieved
B．will never achieve
C．have never achieved
D．are never achieving
答案
答案：B
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.
You must put your heart into what you are doing, or you ________ your aim.
A．never achieved
B．will never achieve
C．have never achieved
D．are never achieving
答案：B