We must do something to protect the earth, ____we will lose our home.
—________ woman is Daniel’s mother?—The one in the red coat.
My brother gets up 6:00 the morning every day.
Bill plays basketball for hour every day.
We were swimming in the lake _______ suddenly the storm started.
The price of petrol(汽油) is not _______ that of last year, so some more people are planning to buy cars.