.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.

The mobile phone has influenced people’s life a lot since it .

What does Tom’s uncle do? —He is a teacher. He __________ physics at a school now.

Johan didn’t review(复习)lesson, ________ he couldn’t answer the teacher’s question.[ ]

My mother is going to supermarket for rice and noodles．