Over the past decades, sea ice ______in the Arctic as a result of global warming.
| A．had decreased | B．decreased |
| C．has been decreasing | D．is decreasing |
The famous film star wore dark glasses so that no one would him.
| A．reach | B．recognize | C．realize | D．know |
catch the first bus, he got up very early this morning.
| A．In order to | B．In order that | C．So as to | D．So that |
--Look! The telephone is broken. Someone damaged it ________ purpose.
--That may be right. But perhaps it was broken _________ accident.
| A．on; by | B．by; by | C．on; on | D．by; on |
It was because of bad weather __________ the football match had to be put off.
| A．so | B．so that | C．why | D．that |
It is the first time that I _______ this kind of moon cake.
| A．enjoyed | B．have enjoyed | C．enjoy | D．enjoying |