14. Hard work and lack of sleep has _____ her beauty and youth in recent years.
| A．worn out | B．tried out | C．made out | D．sent out |
A good speaker is supposed to manage to ________ the listeners what he means.
| A．make sense to | B．get across to | C．appeal to | D．attach to |
----Whose advice do you think I should take?
----________.
| A．It doesn’t matter | B．That’s it | C．It’s up to you | D．Either is OK |
I know a little bit about the city as I __________ there for one year in my youth.
| A．am studying | B．had studied | C．studied | D．have studied |
Leaves are found _______ all kinds of trees, but they differ greatly ________ size and shape.
| A．in; on | B．in; from | C．on; by | D．on; in |
To save class time, our teacher has ________ students do half of the exercises in class and complete the other half for our homework.
| A．we | B．us | C．our | D．ours |