Heilongjiang is in the north-east of China
Heilongjiang is ____ ___ ____.
What's your meaning by doing this
What ____ ____ ___ by doing this
Birds can find food easily in the nature reserve
____ ____ ____ ____ ____ ____ food in the nature reserve
參考答案:1.in northeast China
2.do you mean
3.It is easy for birds to
4.is interested in