I felt surprised that anyone of his intelligence ________ such an easy test.
| A．might have failed | B．could have failed |
| C．should have failed | D．must have failed |
—Do you mind me using your electronic dictionary?
— ______. Please go ahead.
| A．Never mind | B．Certainly not | C．Yes, I do | D．Don’t mention it |
We are living in ______ world of developing, ______ world where any problem can be solved in a peaceful way.
| A．the; a | B．a; the | C．the; the | D．a; a |
valley
| A．vocabulary | B． attraction | C．many | D．cave |
loose
| A．shoot | B．outdoors | C．football | D．wool |
accent
| A．official | B．recover | C．recognize | D．pace |