Why did they keep trying _________ they must have known it was hopeless?
On the bank of the river, we found him ________ on the beach, with his eyes _____ on a kite in the sky.
There must have been a large number of tourists in Sanya during the past Spring Festival, __________?
He got to the station early,____________ missing his train.
—You haven't lost the ticket, have you?—_________. I know it's not easy to get another one at the moment.
She was surprised to find the fridge empty; the child _____ everything!