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1.They are teachers and don't realize ( )to start and run a

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1.They are teachers and don't realize ( )to start and run a company.
A.what it takes B.what takes it
C.what they take D.what takes them
为什么?take在这里是什么意思?what在从句中当什么成分?
2.( )Bob is good at football is known to us all.
A.What B.How C.That D.Which
为什么不选C?从句“Bob is good at football”并不缺少什么成分啊.
1.They are teachers and don't realize ( )to start and run a
1:A
有个句型是这样的:
It takes sb some time/some money to do sth
take是花费的意思
这里是宾语从句,应该用陈述句语序.
2:C
主语从句是Bob is good at football,缺少的是关系词,用因为这个句子离什么都不缺,即是完整的句子,因此用that就行.
这个答案有问题