Our country, together with others in the Third World,________ hard to build a ha

题型：同步题难度：来源：

Our country, together with others in the Third World,________ hard to build a harmonious homeland
for human beings now.[     ]
A. work
B. working
C. is working
D. are working

答案

举一反三

I"ve won a holiday for two to Africa. I _______ my mum there.[ ]
A. take
B. am taking
C. took
D. will be taking

题型：安徽省期末题难度：| 查看答案

Selecting a mobile phone for personal use is no easy task because technology________so rapidly.[     ]
A. is changing
B. has changed
C. will have changed
D. will change

题型：同步题难度：| 查看答案

—Do you think we should accept that offer?
—Yes, we should, for we ________ such bad luck up till now, and time ________ out.[     ]
A. have had; is running
B. had; is running
C. have; has been run
D. have had; has been run

题型：同步题难度：| 查看答案

Many wild animals in the world ________, so we must take measures to protect them.[     ]
A. are dying out
B. have died out
C. died out
D. die out

题型：同步题难度：| 查看答案

—What"s that terrible noise?
—The neighbors         for a party.     [     ]
A. have prepared
B. are preparing
C. prepare
D. will prepare

题型：同步题难度：| 查看答案