PresidentXiannouncedinhisspeechduringthecommemoration(慶...
來源：國語幫 1.81W
問題詳情：
President Xi announced in his speech during the commemoration (慶典)activities that China would cut the number of its troops ________300 thousand _______2017.
A. to; in B. by; by C. to; by D. by; in
【回答】
B
知識點：介詞
題型：選擇題
