He has made another wonderful discovery, _____ I think is of great importance to

题型：河北省期末题难度：来源：

He has made another wonderful discovery, _____ I think is of great importance to science.  [     ]
A. which
B. what
C. when
D. that

答案

举一反三

Carol said the work would be done by October, ______personally I doubt very much.[     ]
A. it
B. that
C. when
D. which

题型：同步题难度：| 查看答案

Julie was good at German, French and Russian, all of _____ she spoke fluently. [ ]

A. who
B.whom
C.which
D.that

题型：四川省月考题难度：| 查看答案

Last autumn, I bought a second-hand car, ________ was very reasonable.[ ]
A. which price
B. its price
C. the price of whose
D. the price of which

题型：山东省月考题难度：| 查看答案

I wish to thank Professor Smith, without ______ help I would never have got this far.[ ]
A. who
B. whose
C. whom
D. which

题型：安徽省月考题难度：| 查看答案

By 16:30, ______ was almost closing time, nearly all the paintings had been sold.[ ]
A. which
B. when
C. what
D. that

题型：安徽省月考题难度：| 查看答案