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 ;noises3.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,

问题描述:

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,

1C 2 A 3 C

C .的有两种用法,一种是's,还有一种是用of
A noise不可数,必须用单数
B 此句中必须用情态动词,A助动词,没有实际意义,不可用;C不能强调一种客观情况,不能,而本句中倾向于是一种劝说,不必等;D mustn't这种用法很少,一般 must的否定句会用 needn't.