Where is Class________ ?It’s on the ______ floor.

_____ your support, we finished the job very quickly.[ ]

The little elephant is afraid to go alone. He always walks _______ his mother. [ ]

Li Na plays __________ tennis very well. She has become __________ first Asian woman toreach a Grand Slam（大满贯）final.

I hope to have an apartment __________ a kitchen so that I can save money by cooking food by myself.[ ]