is the Group G8—Oh, it is a group ________ the eight of the richest countries or areas of the world.

He enjoys ________ the radio.

The bus was empty， there was ________ on it

After working _____ with each other for months, they felt so _____ to each other that they began to share lunch together.

In early autumn Steve applied for admission to college He wanted to gobut to Cornell University—Oh, why not Harvard?