The painting you drew is beautiful. But why not paint the walls ________ .
—How long can I _______ the book ? — Two months.
—Why do you like English best? — _____ I think it’s _____
My classmates often _____ to school _____ bus A walk, by B go , by C go, in D. go, by a
There are many people _____in a big house _____ a big yard.
Your keys are on the desk. Please __________.