She has to be in bed by ten.对by ten 提问 Please beShe has to be in bed by ten.对by ten 提问Please be quiet (改为否定句)They can see five dolphins there.对five提问.

She has to be in bed by ten.对by ten 提问 Please beShe has to be in bed by ten.对by ten 提问Please be quiet (改为否定句)They can see five dolphins there.对five提问.
She has to be in bed by ten.对by ten 提问 Please be
She has to be in bed by ten.
对by ten 提问
Please be quiet (改为否定句)
They can see five dolphins there.
对five提问.

She has to be in bed by ten.对by ten 提问 Please beShe has to be in bed by ten.对by ten 提问Please be quiet (改为否定句)They can see five dolphins there.对five提问.
When has she to be bed?
Don't be quiet.
How many dolphins can they see there?