By the time he realizes he ____ into a trap, it’ll be too late for him to do anything about it.
#104957
A
walks
B
walked
C
has walked
D
had walked
推荐题目
 These dictionaries ______ the library again by you.
#103063
A
will be taken out of
B
will take out of
C
won’t taken out or
D
won’t be taken out of
All the preparations for the task _________, and we’re ready to start.
#99042
A
complete
B
have completed
C
had been completed
D
have been completed
He _________ in American for five years, and now he works in Shanghai.
#102614
A
have worked
B
worked
C
had worked
D
have been working
—Such a mistake could have been avoided. —Unfortunately, he ________ the mistake again and again. 
#104785
A
repeated
B
would repeat
C
had repeated
D
would have repeated