He was ______ tired ______ go on walking.
Look, There’s __________ sheep on the hill and there are _______ children, too.
--- Does your brother like going hiking on Sundays? --- No, he’d rather ______ books at home than ______ hiking.
Three _________ the students visited the museum yesterday.
The plane is a flying eye hospital that belongs to a medical charity called _______.
When he got home, he would find his house _______ and he didn’t know______ to do with the robot.