We are supposed to plant more trees. They help to             the wind and sand.

We are supposed to plant more trees. They help to             the wind and sand.

题型:同步题难度:来源:
We are supposed to plant more trees. They help to             the wind and sand.    [     ]
A. keep away
B. keep out
C. keep up
D. keep off
答案
B
举一反三
-Could you please _        the light when you leave?         
-Sure, I will.              [     ]
A. turn down 
B. turn off 
C. turn up
D. turn on
题型:同步题难度:| 查看答案
He has never _____such a strange thing.              [     ]
A. hear                        
B. heard              
C. hear of                      
D. heard of
题型:同步题难度:| 查看答案
lt"s so cold outside. Put on more clothes. They can _____ the cold.   
[     ]
A. keep on
B. keep out
C. keep up
D. keep away
题型:同步题难度:| 查看答案
She _____ the fire and helped the child out.          [     ]
A. put on         
B. put down    
C. put up         
D. put out 
题型:同步题难度:| 查看答案
He provides food for the hungry children.(同义句转换)  
He _____ the hungry children _____ food.
题型:同步题难度:| 查看答案
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