.The petrol tank is empty.I _________it up before we left home.
一It’s cloudy outside.Please take anumbrella.一
How often do you eat out? ,but usually once a week.
I don’t think 1 will win a lottery(彩票)of 5 000 000 dollars in a11 my life.一Well .Everything can happen.
一I’m sorry.I’ve left my credit card home.And I don’t have enough cash for the meal.一Don’t worry. .
—It's cloudy outside. Please take an umbrella. — __________.