-Science is so difficult!-I think you should keep
-Science is so difficult!-I think you should keep
——Science is so difficult!——I think you should keep on___har
so I think you should keep silent这句话对吗?
I think science is( )A real difficult Breally difficult
difficult,is,think,interesting,but,I,science连词成句
Why I think of hope is always so difficult
i think science is i
A:Science?_____ I think science is so difficulf.B:___you wor
i think so it is with you
difficult,i,chinese,think,is
I am sorry to keep you waiting for so longA I don't think so
friendship is difficult to keep.I'm so sadly这句英语什么意思