There were signs here and there, _____visitors to look out for ______ rocks.

The online exposure of the diary of a government official made the public realize the extent ______ the Internet affects the society

Did she find a well-paid job aftergraduation —- ______, yes.

________ very confused，thelittle girl looked up the information in the book to find out the answer．

In the near future, more advances in cloning technology by scientists