____ most of the earth"s surface is covered by water, fresh water is very rare a

____ most of the earth"s surface is covered by water, fresh water is very rare a

题型:同步题难度:来源:
____ most of the earth"s surface is covered by water, fresh water is very rare and precious.
A. As
B. Once
C. If
D. Although
答案
举一反三
— What was the party like?
— Wonderful! It"s been years _____ I enjoyed myself so much.
A. after
B. before
C. when
D. since
题型:同步题难度:| 查看答案
指出错误并改正。 1. I fell in love with the city the first time when I visited it.
    ____________________________________________________________
2. No matter how the job is difficult, I"m determined to finish it on schedule.
    ____________________________________________________________
3. Hurry up! The train is about to leave at 8 o"clock.
    ____________________________________________________________
4. — Peter is ill in hospital.
    — Really? I"m sorry to hear that. I"m going to go to see him.
    ____________________________________________________________
5. The old car of Tom"s always breaks down half way.
    ____________________________________________________________
题型:同步题难度:| 查看答案
短文改错。
题型:同步题难度:| 查看答案
题型:同步题难度:| 查看答案
题型:同步题难度:| 查看答案
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     Three young pioneers were playing while they saw a young    
tree bending to one side with some of it"s leaves falling.    
They felt sadness and decided to save it. They put            
up a hard stick close by and tie the tree to                  
it to make it straightly. Then they make a fence              
around it to prevent people and animals of                    
coming near. They also put up a board there, on that          
they wrote:"Cherish young tree." After that, the             
three often came to watering the tree. Gradually,             
the young tree grew straight and strong. Their teacher learned
this and praised them, "Well do. Children."                 
1.________       
2.________      
3.________          
4.________      
5.________            
6.________                                        
7.________      
8.________          
9.________  
                       
10.________ 
I found her nice and honest ____ I saw her.
A. for the first time
B. the first time
C. on the first time
D. for the first time when
I thought her nice and honest _____ I met her.

A. first time
B. the first time
C. for the first time
D. by the first time