---Bad luck! I ________ the sidewalk when an Audi cut in and knocked me down.---You can never be too careful!
#101153
A
crossed
B
have crossed
C
was crossing
D
had been crossing
推荐题目
---When will the expert come and give the lecture on economic development?---Not until our program_______.
#99532
A
is approving
B
is to approve
C
has been approved
D
will be approved
When _____ the letter, tears came to her eyes.
#101827
A
she was reading
B
reading
C
she reading
D
read
The old man was taking a walk, ____ by his grandson. 
#104560
A
supporting
B
supported
C
being supported
D
having supported
It's reported that by the end of this week the stock exchange________ by about 10%. 
#104889
A
will have risen
B
has risen
C
will be rising
D
has been rising
 I have to see the doctor this afternoon because I ____ a lot lately.
#99964
A
have been coughing
B
had coughed
C
coughed
D
cough