Mr.Green a son,but he a daughter.

.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.

What do you ____________ your English teacher? — Wow, she’s very friendly.

When did you buy this computer? It looks so new.— I it for only a couple of days. My sister bought it for me as a birthday present.

There are many trees on ________ sides of the road.