ome your father can read books inGerman— Well, he____on a project with someGerman engineers for 3 years when he was young.

（题文）As our agent, you should send us your market report at least once every three month.

.He wanted to know what I thought, _____ confused me because I thought the author knew more than I did

Tina _______ outgoing. She has many friends in her class.

The price went up anddown .