The number of  the workers in this factory     300, that is to say, it       20%.
#69827
A
has increased by; has increased to
B
have increased to; have increased by
C
has increased to; has increased by
D
have increased by; have increased to
推荐题目
30. Please write a notice for the students and ______ .
#80469
A
put it up  
B
put up it 
C
put it on  
D
put on it
It must have taken a long time to _______ all the facts of these old books.
#66913
A
dig out
B
take out
C
break up
D
take apart