We must behave ____ at a formal table.
| A．accurately | B．precisely | C．appropriately | D．rightly |
The teacher set such difficult problems ______ nobody could work out _____ none of us passed the test.
| A．as; that | B．that; as | C．/; that | D．as; as |
By the time I see you again, I _______ from that school.
| A．have graduated | B．graduated | C．will have graduated | D．graduate |
— Shall we have our Christmas tree decorated?
—_____ . I think it’s fine as it is.
| A．Why not? | B．I can’t agree more | C．Not exactly. | D．Better not. |
A new kind of drug ___ ___ to cure H7N9 bird flu by the scientists and they are hopeful that they will succeed in a couple of weeks.
| A．has been developed | B．is being developed | C．is developing | D．has developed |
Yangzhou high school ___________ since 1902.
| A．has come into existence | B．has been existed | C．has been in existence | D．began to exist |