问题
I think _______ is meaningful to help other people.
A:it
B:this
C:that
D:/
B:this
C:that
D:/
正确答案是：
同类题型
I often go hiking _____ my sister. [ ]
This kind of shoes will keep you _____________ when you take a walk.
They __________ each other for more than 5 years.
Where is London? I have a pen pal there. —It’s ________ England.[ ]
We don’t have much homework now and our school bags are ____they used to be.