( )—— I'm sorry I can't help you. —— ________. A. Not at all.B. You are welcome. C. It doesn't matter.
( ) Thank you ________ giving me so much help.
( ) The basketball ______________ the bed isn’t mine.
( ) It often rains __________ in the summer of Nanjing.
( ) There _________ a ruler and some pencils in the pencil-box.
( ) That storybook is very _________. The children are _________ in it.