—Have you ever visited the Opera House?
—Yes．When I was in Sydney, I__ _it twice．
| A．had visited | B．visited | C．have visited | D．would visit |
He began to ______because every means ______ tried already.
| A．lose heart; has been |
| B．lose heart; had been |
| C．lose his heart; was |
| D．lose his heart; had |
It’s said that the old lady died______.
| A．happily |
| B．happy |
| C．happiness |
| D．of happiness |
______ water to grow is well known.
| A．That trees need |
| B．These trees need |
| C．That tree needs |
| D．Trees need |
China has made a promise________ she will try her best to keep the world peace.
| A．what |
| B．that |
| C．which |
| D．whether |
Mary, it's already 7 0'clock I'm afraid there is not much time ________for you to ________ for the ball.
| A．leaving; get dressing |
| B．remaining; get to dress |
| C．remained; get dressed |
| D．left; get dressed |