I often swim ______the river ______Sunday afternoon.
—Hello, Betty. Is your mother a teacher? —No, she is a doctor in a _____.
I want to learn to play chess. Can you ____ me?
—Is there a park near here? —No, there isn’t. _____there is a post office.
—Is ____ in Japan? —Yes, it is.
— Look, that is ____ elephant. —Yes, it’s very strong.