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题目
题型:同步题难度:来源:
Seventy percent of the students _____ taken part in the work and seventy percent of the
work _____been finished. [     ]
A. has, has  
B. had , had  
C. has, have    
D. have, has
答案
D
核心考点
试题【Seventy percent of the students _____ taken part in the work and seventy percent】;主要考察你对现在完成时等知识点的理解。[详细]
举一反三
It is reported that a large number of people _____ been killed and the number ____ added up to
nearly 70,000[     ]
A. has; has  
B. have; have  
C. has; have  
D. have; has
题型:同步题难度:| 查看答案
-What have they made up their minds to do during the summer vocation?   
-They ______ to cycle around the country on their own.    [     ]
A. are determined  
B. are decided  
C. have determined  
D. have been decided
题型:同步题难度:| 查看答案
—Why is your professor so happy recently?
—Because the theory she insisted on         correct. [     ]
A. is proved    
B. proving    
C. was proved  
D. has proved
题型:福建省模拟题难度:| 查看答案
The scientists claimed( 声称) to _______ a jet plane that uses atomic energy as propelling _____,
but they can’t produce an atom of evidence to prove it.    [     ]

A. design; power  
B. have designed; power  
C. design; force  
D. have designed; strength


题型:同步题难度:| 查看答案
The widespread of super-hybrid rice around the world ______the lives of millions and millions of
people suffering from hunger to a great level. [     ]
A. improved    
B. is improving  
C. has improved  
D. has been improving
题型:同步题难度:| 查看答案
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