some girls were singing when others were dancing.这句话哪里错了

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some girls were singing when others were dancing.这句话哪里错了

some girls were singing when others were dancing.这句话哪里错了
some girls were singing when others were dancing.这句话哪里错了

some girls were singing when others were dancing.这句话哪里错了
when应该改成while.
解析:当后面跟的是持续性的动词时,应该用while.

WHEN 改为 WHILE
WHILE 然而, 表转折