In January , 2004, the United States successfully launched “Spirit”, a Mars Exploration Rover, _____ a new milestone in the history of mankind.
We were swimming in the lake__________suddenly the storm started.
—Dad,I’ve finished my assignment. —Good,and__________you play or watch TV,you mustn’t disturb me.
__________I know the money is safe,I shall not worry about it.
He made a mistake,but then he corrected the situation__________it got worse.
Although she hates her stepmother, __________she goes to see her for the love of her father.