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

I won’t tell the student the answer to the math problem until he on it for more than an hour.

30 — Whyyoube talking so loudly while others are studying– I am terribly sorry

I was so familiar with him that I recognized his voice _______ I picked up the phone.

What do you think of Tom—I think he is _________ in music. Listen! He is playing the piano so wonderfully.