Look, Sally looks unhappy, what _____ the problem?
A. seem to be   B. seems to be   C. seem that

Look ______ this boy! He looks ______ his father.
A．like … at            B．at … like               C．at … the same

—Look at the photo. The girl is my little sister.
—She really ______ your mother.

—Look at the monkeys running around on the rocks together.
—Yes, the environment ______ to suit them very well. Let's see the tigers now.