【C19】A．plainB．earnestC．commonD．usual

【C8】A．compete.B．competitionC．commonD．harmony

Our party is perfect due to our careful plan.A.excellentB.normalC.commonD.casual

【C10】A．In generalB．In fullC．In commonD．In all

Many good friends have a lot in _______.A、similarityB、differenceC、commonD、usual

【C10】A．poorestB．richestC．commonD．best

【C8】A．ordinaryB．averageC．commonD．credible