位于____ ____半岛和苏门答腊岛之间的____ ____海峡,是连接_____ ___洋和____ ____ 洋的重要海上通道。
中南 马六甲 印度 太平
Peter _____ be really difficult at times even though he's a nice person in general. [ ]
A. shall
B. should
C. can
D. must