四分之三的学生来自中国。________ ________of students are from China.
In Ningbo, everyone knows that things in blue rubbish bins can be (回收利用).
We (很少地) hang out at weekends recently.
You'll forget the dancing skills easily (除非) you practice them often.
Could you please show me your (护照), young men?
We can see clearly that Mongolia (位于) between China and Russia on the map.