- Where is your mother?
- She together with her friends Shanghai.
A:has gone to
B:have gone to
C:has been to
D:have been to
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化学与能源开发、环境保护、资源利用等密切相关。下列说法正确的是( )
下图所示的实验操作正确的是( )
世界上各种气候类型中,在亚洲没有分布的是( )