问题补充:
单选题Theclimatechangeconferencehascometo__________end,butthedevelopingcountriesaredissatisfiedwith__________smallstepthatthedevelopedcountrieshavetakentoreducetheemission(排放)ofwatergases.A.不填, aB.不填, theC.an , aD.an, the
答案:
D解析come to an end 固守词组。small step 后有一个定语从句,所以要用the。