问题
They found _______very hard to move the stone.
A:it
B:its
C:this
D:that
B:its
C:this
D:that
正确答案是：
同类题型
The sports meeting _________ next month.
You can study grammar _____memorizing it. [ ]
My father warned me ________ going to the West Coast because it was crowded with tourists.
_____ is known to us all that the 2012 Olympic Games will take place in London．
On the coast _______ with an old temple _______ back to Ming Dynasty.