—Is Pro.Smith giving the speech today?
—It__________ be him. He is abroad right now.
| A．can’t | B．needn’t | C．won’t | D．mustn’t |
If you can dream, you can do .
| A．one; it | B．it; one | C．one; one | D．it; it |
——Your coffee smells great！
——It’s from Mexico. Would you like ?
| A．it | B．some | C．this | D．little |
The best job iswhich uses your skill in doing something together with your interest in the subject.
| A．something | B．the one | C．one | D．it |
——There must be a dozen pens in this house but I can never find one when I need one.
——Keep looking. is sure to turn up.
| A．One | B．It | C．That | D．This |
Who can you turn to in time of danger, it not .
| A．any | B．us | C．we | D．ours |