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题型:同步题难度:来源:
I"m too tired, so I _______ sit down and rest every five minutes[     ]
A. must      
B. must to      
C. have    
D. have to
答案
D
核心考点
试题【I"m too tired, so I _______ sit down and rest every five minutes[     ]A. must  】;主要考察你对词法等知识点的理解。[详细]
举一反三
You __ be so hurry as the time is not so late.[     ]
A. mustn’t    
B. must    
C. can not    
D. will not
题型:同步题难度:| 查看答案
__ I get home before 7 ?no, you needn’t.[     ]
A. Must   
B. Should    
C. Can   
D. Will
题型:同步题难度:| 查看答案
—What"s wrong with you? You looked tired.
—Last night I _____ sleep well.[     ]
A.couldn"t  
B.wouldn"t  
C.mustn"t  
D.needn"t  
题型:同步题难度:| 查看答案
You_______ buy the TV guide for next week. I have already bought a copy. [     ]
A. mustn"t
B. needn"t to
C. don’t have to  
D. can’t
题型:同步题难度:| 查看答案
My sister is ill, and she       stay in bed for several days.   [     ]

A. need          
B. must    
C. has to        
D. has to be

题型:同步题难度:| 查看答案
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