【C7】A．built intoB．built aroundC．built onD．built up

The bridge ______ two years ago.A、was builtB、builtC、is built

A．built upB．build upC．been builtD．build

● An Enterprise Resource Planning （ERP) is built upon a commercial （71) that promises the

The scavenging box is built of a number of sections provided with vertical flanges enablin

【C7】A．intoB．onC．toD．for

61._________A. built upB. build upC. been builtD.