问题标题：
【1.Astheroadcan'tmeettheneedoftransport,thegovernmenthasdecidedtohaveourcompany______anotherone.A.tobiultB.buildC.builtD.building2.Perhapsthisbookwill_____ofsomeusetoyouinyourstudies.A.proveB.beprovedC.suggestD.betur】
问题描述：
1.Astheroadcan'tmeettheneedoftransport,thegovernmenthasdecidedtohaveourcompany______anotherone.
A.tobiultB.buildC.builtD.building
2.Perhapsthisbookwill_____ofsomeusetoyouinyourstudies.
A.proveB.beprovedC.suggestD.beturned
秦建春回答：
1.Bhave+do原形
2.Aprove后面省略了（tobe）prove+adjbeofsomeuse=useful
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