—What day is it tomorrow ? — .
I have math _____ Thursdays. A. onB. at
I would like _____ chess with you? A. to playB. playing
I’d like some _____ for dinner. A. tomatoesB. tomatos
She can _____ the floor. A. sweepB. set
---Is there a bridge over the river? ---_________________________ A. No, there aren’t.B. Yes, there is.