--- Did I lock the door when I went out?--- Yes, you did. I saw you _____ it.
My brother wants to be ______ engineer when he grows up.
—Let’s play soccer.—_________, I want to watch TV.
—___________?—Yes, some apples, please.
—When is the Spring Festival(春节) this year?—It’s in ________, the second month of the year.
—I like that green T—shirt. ________ is it?—It’s fifteen dollars.