题干
--- Where is Jim? --- He _________ to the museum. He hasn't come back.
A：have been
B：have gone
C：has gone
D： has been
答案(点此获取答案解析）
C
--- Where is Jim? --- He _________ to the museum. He hasn't come back.
A：have been
B：have gone
C：has gone
D： has been
中涂色，要求同一区域涂 同一颜色，相邻区域涂不同颜色（
与
、
与
不相邻），现有4种颜色可供选择，则不同的涂色方案有 ( )