—What time do you usually go to school?—I usually go to school________six o’clock.A.inB.atC.on
This is ____ English book and that is ____Chinese book.
Thanks ____ the photo ____ your family
—What are those? —are their books.
—Is this _____ schoolbag? —No. It's _____.
Not only oral English but also written English _____ important.