Before a problem can be solved, it must be obvious ________ the problem itself i

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Before a problem can be solved, it must be obvious ________ the problem itself is.[ ]
A. what
B. that
C. which
D. why

答案

举一反三

It is uncertain ________ side effect the medicine will bring about, although about two thousand
patients have taken it.[ ]
A. that
B. what
C. how
D. whether

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— What made her so happy?
— ________ her son passed the driving test.
A. That
B. Because
C. Since
D. When

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It suddenly occurred to him ______ he had left his keys in the office.[ ]
A. whether
B. where
C. which
D. that

题型：安徽省月考题难度：| 查看答案

most parents care about is to provide the best education for their children.[ ]
A．What
B．That
C．How
D．Whether

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The prime minister said that ______ students lack nowadays is devotion and patience.     [     ]
A. how
B. why
C. what
D. if

题型：河北省期末题难度：| 查看答案