--- ________ you need help,call me or send me an e-mail. ---Thank you very much. A. Whatever B. However C. Whenever
If __________ bicycle is broken, _________ can use __________.
My friends ______me to go out with them but my mother tells me ______ at home.
The room there _______ many books inside.
Tom likes looking out ________ the playground __________ the classroom.
Which floor is your classroom ____________ that classroom building?