摘要：29．He made another wonderful discovery, of great importance to science． A．which I think is B．which I think it is C．which I think D．I think which is
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He made another wonderful discovery, _____ of great importance to science．
A．which I think is B．which I think it is C．which I think it D．I think which is
查看习题详情和答案>>He made another wonderful discovery, ________ of great importance to science．
[ ]
A．which I think is
B．which I think it is
C．which I think it
D．I think which is
He made another wonderful discovery, ________of great importance to science．
[ ]
A．which I think is
B．which I think it is
C．which I think it
D．I think which is