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________evidence that language acquiring ability must be stimulated.

What the remote areas need______ education to children and what the children need______ good textbooks at the moment .

--- ________ the class done most of the work?

--- Yes, but the rest ___________ rather difficult.

 --- What’s reported in the news

  --- The earthquake yesterday is said  _______ more than 5 hundred people.

A. to kill     B. that it is     C. to have killed      D. that it has killed

23. Some extra office equipment, including two desks and two computers,

__________ to be ordered next week.