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(单选题) —Have you finished the work? ( )
—Not yet, but no matter how hard it is, we.ll keep ___ until we make it.(本题2.0分)
A、 failed
B、 trying
C、 tried
D、 failing
—Not yet, but no matter how hard it is, we.ll keep ___ until we make it.(本题2.0分)
A、 failed
B、 trying
C、 tried
D、 failing
参考答案