—I heard Charlotte had been drowned in the lake.
—Really！Her boat turned______,and ______she couldn’t swim.
| A．down;fortunately | B．up;unfortunate |
| C．over;unfortunately | D．down;unfortunately |
__________ in the queue for half an hour, the old man suddenly realized he had left the cheque in the car.
| A．Waiting |
| B．To wait |
| C．Having waited |
| D．To have waited |
__________ at my classmates' faces, I read the same excitement in their eyes.
| A．Looking |
| B．Look |
| C．To look |
| D．Looked |
__________ is known to everybody , light travels faster than sound.
| A．It |
| B．As |
| C．That |
| D．What |
This kind of ancient book requires a great deal of .
| A．concentration | B．attraction |
| C．appreciation | D．notice |
—My deskmate accused me breaking her glasses.
—Oh,you had the right to defend yourself her accusation.
| A．of;against | B．for;from |
| C．of;for | D．for;against |