I don’t think that sweater is suitable _____ this hot weather.[ ]

How do your parents usually go to work?—My mother usually goes to work _________ bus while my father ________ a bike to work.

She ______ to her feet and ran out of the room just now.

Every week, we have classes ______ Monday to Friday.[ ]

_Who is _____ English teacher, Lu Yu? _ Mr Tian teaches _______ English.