—Where’s your sister?—She is in her bedroom.Listen!She is talking with her friends________the phone.
He _______ eight hundred thousand dollars for his Benz(奔驰) car.
She told us that she _______ her handbag on the bus.
—_______? —My watch doesn’t work.
I won’t leave here until my mother _______ back.
We really don’t know _______. Could you help us?