【C7】
A.transportations
B.distributions
C.communications
D.news
请帮忙给出正确答案和分析,谢谢!
【C7】A.atB.toC.forD.over
【C7】A.ensureB.approveC.supplyD.deliver
【C7】A.adviceB.adviseC.advocateD.advance
【C7】A.concernsB.concernC.concerningD.concerned
【C7】A.entertainmentB.cureC.careD.training
【C7】A.fromB.throughC.uponD.at