1.Toshowourrespect,weusuallyhavetotakeourglovesoff________wearetoshakehandswith.A．whicheverB．wheneverC．whoeverD．wherever2.OneF...
连词21.（2014江苏）Lessonscanbelearnedtofacethefuture,________historycannotbechanged.A.thoughB.asC.sinceD.unless【答案】A30.(2012...
