【C7】A．displayingB．describingC．creatingD．exchanging

【C7】A．atB．toC．forD．over

【C7】A．ensureB．approveC．supplyD．deliver

【C7】A．adviceB．adviseC．advocateD．advance

【C7】A．concernsB．concernC．concerningD．concerned

【29】A．displayingB．describingC．creatingD．exchanging

【C13】A．characterizingB．describingC．depictingD．telling