It’s necessary for us     every subject well. 
#47007
A
learn
B
learns
C
learning
D
to learn
推荐题目
____ that saw the trade between the two countries reach its highest point.  
#85361
A
During the 1980’s    
B
That it was in the 1980’s  
C
It was the 1980’s     
D
It was in the 1980’s
______she is not so healthy_____she used to be?
#85193
A
How is it that ; as
B
Why is it that; what
C
Is it why ; that
D
How it is that ;as