---Look! Why are there so many people?---There are some policemen. I think there must be a traffic accident _____in the street.
If I can’t finish _______my homework now, I’ll go on with it after supper.
—What did you buy yesterday, Lucy? —I bought ________umbrella. ________umbrella is very nice.
— Did you try paragliding yesterday? — Yes. I ________ I was a bird. It was so exciting!
I don’t want to go to the museum, because it’s too_______.
My aunt arrived in Guangzhou ______ the morning of March 13.