— Why do you look so worried?
—My computer broke down and my essay ______ unfinished since.
| A．had left | B．has been left |
| C．has left | D．was left |
____ much advice I gave him, he did exactly what he wanted to.
| A．How | B．Whatever | C．No matter | D．However |
After living with his grandparents in the countryside for ten years, the boy returned to the big city ____ his parents worked.
| A．which | B．where | C．that | D．when |
He was impolite to the Custom Officer, ____, of course, made things even worse.
| A．who | B．that | C．what | D．which |
Soon they got to the bank,____stood a big pine tree.
| A．In front of which | B．There | C．Where | D．It |
One of the men held the view ____ the book said was right.
| A．what that | B．what | C．that | D．that what |