Mr Smith _________ a book about China last year but I don’t know whether he has finished it.
#104720
A
has written
B
wrote
C
had written
D
was writing
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