Hospital staff burst into cheers after doctors completed a 20-hour operation to have separated one-year-old twins at the head.疑问:to have....在句中作定语还是状语,是什么状语?
The third approach ,which is not new, comprises a series of measures ranging from pricing to revitalising alternative modes of transport and targeting investment in the trans-European network.请问:ranging from pricing to revitalising alternative modes of transport and targeting investment in the...
Some activities reflect the differences in child rearing in the Pew survey,which was of a nationally representive sample of 1807 parents.句子中which was of是什么特殊用法,是什么倒装或者省略吗?which先行词是什么?