—Do you know that there are many different________animals in the zoo?—Yes,I do.And I also know that some of them are________scaring.
The dog _______ played with you just now is _______.
Three million _______ a large number. You can make it _______.
Over fifty countries _______ the AIIB(亚投行) so far.
It is _______ a beautiful garden _______ we like to play in it.
The Whites have planned to visit _______ Great wall in China.