So far this year we________a fall in house prices by 5 and 10 percent.
#42003
A
saw
B
see
C
had seen
D
have seen
推荐题目
 ---Do you mind _________your room?   ---No, I’ll do that after finishing _________this article.
#37153
A
clean, write
B
clean, writing
C
cleaning, write
D
cleaning, writing
 After Steven sent some e-mails ,he______ surfing the Internet.
#36785
A
starts
B
has started
C
will start
D
started
—Where is your mother, Rita? --___________________. 
#37826
A
She has been to Wu hu.
B
She’s going to the old people’s home
C
She’s gone to work
D
She’ll go shopping
It’s ten years since he _________ his hometown.
#41722
A
left
B
leaves
C
has left
D
is leaving