She will tell us why she feels so strongly that each of us has a role _____ in making the earth a better place to live.
|
A．to have played |
B．played |
C．playing |
D．to play |
The Russian rocket designer has died. For many years, he ______ as an important assistant to the father of Soviet space program.
|
A．serves |
B．was serving |
C．served |
D．has served |
I have been living in the United States for 20 years, but seldom ______ so lonely as now.
|
A．have I felt |
B．I had felt |
C．I have felt |
D．had I felt |
—How was your trip to London?
—Great. I was helped by an organization. Otherwise, I ______ it.
|
A．wouldn’t afford |
B．hadn’t afforded |
|
C．wouldn’t have afforded |
D．needn’t have afforded |
Our coach says we won’t keep winning games ______ we keep playing well.
|
A．because |
B．unless |
C．when |
D．while |
Many people believe that hunger is only a problem in the developing world. ______, it is a problem all over the world.
|
A．For one thing |
B．In addition |
C．As well |
D．On the contrary |
