How ______ is the Great Wall? A. high B. short C. long
be great at A. 擅长 B. 明白
feel well A. 享受 B. 感到舒服
look forward to A. 期盼 B. 寻找
make a plan A. 举行聚会 B. 制定计划
come along A. 休息 B. 出现