You should understand the traffic rule by now. You’ve had it ________ often enough.
| A．explaining | B．to explain | C．explain | D．explained |
The opening ceremony of Beijing 2008 Olympics is a great success, which is believed ________ the Chinese splendid civilization.
| A．having been displayed | B．to have displayed |
| C．to be displayed | D．displaying |
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 |