American English has changed ________ time．There are several reasons ________ this.
| A．over; for | B．for; with | C．in; of | D．during; about |
_____ Chinese basketball player Yao Ming will probably return to the NBA if he can recover from _____ earlier injury.
| A．不填; an | B．The; 不填 | C．A; an | D．The; the |
___________ has helped to save the drowning girl is worth praising.
| A．Who | B．The one | C．Anyone | D．Whoever |
------ Could I borrow your dictionary?
-------Yes, of course you___________
| A．might | B．will | C．can | D．should |
He want s to changes in the company and I am sure he will___________
| A．on time | B．at a time | C．at one time | D．in time |
. ------ The door was open.
----- It ___________open. I had locked it myself and the key was in my pocket.
| A．can’t be | B．mustn’t be | C．can’t have been | D．mustn’t have been |