.If their marketing plans succeed, they ____ their sales by 30 percent.
#68240
A
will increase
B
have been increasing
C
have increased
D
would be increasing
推荐题目
The hill ____ is covered with tress is called Huang Hill.
#68719
A
of which top
B
whose the top
C
whose top
D
top which
_______ you may have, you should gather your courage to face the challenge. 
#67911
A
However a serious problem
B
What a serious problem
C
However serious a problem
D
What serious a problem