小学英语选词填空
1.It's not my dog .it's _____ ,i think.
A,Tom B,him C,Tom's D Toms'
2.There _____ much _____ in the cinema.
A,is ;noise B,are ;noise C,are ;noise D,is ;noises
3.It's time for class .We ___ play game.
A,don't B,shouldn't C.Can't D,mustn't
请说明原因,