.Some students often listen to music___classes to refresh themselves.
| A．between | B．among |
| C．over | D．during |
The purse found on the playground matches the ______ by Mary, so it must be hers.
| A．direction | B．expression | C．description | D．instruction |
If a person has not had enough sleep, his actions will give him _______ during the day.
| A．give away | B．up | C．in | D．back |
The engineers are so busy that they have no time for outdoor sports activities, ________ they have the interest.
| A．wherever | B．whenever | C．even if | D．as if |
These countries ________ too many wars since ancient time.
| A．went through | B．have gone by | C．went by | D．have gone through |
——How about ____New Year party yesterday evening?
—— I think it was _________ success.
| A．a; a | B．the; a | C．a; / | D．the;/ |