--- I’m sure Andrew will win the first prize in the final. --- I think so. He ____ for months.
#102489
A
is preparing
B
was preparing
C
has been preparing
D
had been preparing
推荐题目
The key you have just got     the front door. 
#102563
A
is used to opening
B
is used to be opened
C
is used to being opened
D
is used to open
In a foreign company, if you have a good command of English, you      much more easily.
#100812
A
will promote
B
will be promoted
C
promote
D
are promoted