Put your maths book ______ your desk . A. at B. on C. The
It’s cold here. Please keep the window_________.
Simon heard his neighbor _________ for help at night.
An old friend of my sister’s always helps my brother and _________ with _________ lessons.
I wrote _________ passage in English class yesterday.
Ask the boy not to make any _________. I can’t fall asleep(入睡).