Bob used to __in the countryside . But now he is used to ____in the big city .
There __________ some children in the painting room. They are studying painting.
The geography teacher told us the earth________ bigger than the moon.
I can’t find the bookstore _____ my father bought the book for me yesterday.
Alice ________ to see his aunt if she _______free tomorrow.
The journey takes _____ . A. half an hour B.an hour half C.a half hour