I keep my books on the _____ (shelf) in my room.这道题的答案是shelves 请问如果是shelf 不行吗?

I can't keep my eyes off I keep my books on the _____ (shelf) in my room.这道题的答案是shelves 请问如果是shelf 不行吗? I keep my promise,don't keep your distant... My view on books keep my shirt on I spend about 15 percent of my money on books. I often put my books on the b____ i need a ( ) for my books to put on where are my books?i can ’t find（ ） I can't find my books .where are t____ I can‘t find my books. They are ___(miss). I don't give him my books .被动语态 i couldn't keep my tears back为什么是back， I can't stand on my head. Raindrops Keep Falling On My Please pick up the _______. Don’t keep it on the floor. A. boxes B. paper C. books D. bottles I will keep on fighting until I shed all my blood because I am a warrior. I my English books in my schoolnag A.put B.colour C.find D.put on