i don not know what i can do to make him less sad【同义句】i don not know 【】【】【】to make him less sad

i don not know what i can do to make him less sad【同义句】i don not know 【】【】【】to make him less sad
i don not know what i can do to make him less sad【同义句】
i don not know 【】【】【】to make him less sad

i don not know what i can do to make him less sad【同义句】i don not know 【】【】【】to make him less sad
i don not know 【What】【to】【do】to make him less sad.