.Many scientists believe that now we can study the behavior of a three-year-old child to see ____ they will grow up to be criminals.
As soon as she saw him, she that something had happened.
It’s getting late --- time to .
His writing is so confusing that it’s difficult to make out _____it is he is trying to express.
— We got here Tuesday afternoon.— _____ Why didn’t you call us earlier?
It is obvious to the students ______ they should get well prepared for their future.