Nearly a century later，extensive observations_______that elephants indeed remember injuries and hold hates against their abusers．
| A．confirmed | B．have confirmed |
| C．will confirm | D．had confirmed |
You’d better take a map with you when you go to a strange place ___ you get lost.
| A．even though | B．according to | C．due to | D．in case |
--- In what way will you use your portable computer?
--- I’ll use it _____ for giving lectures at home and abroad.
| A．approximately | B．mostly | C．almost | D．most |
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. |