By the time he realizes he ______ into a trap, it’ll be too late for him to do anything about it.
#102277
A
walks  
B
walked
C
has walked
D
had walked
推荐题目
—Ann is in hospital.—Oh,really? I ________know.I         _____go and visit her.
#101686
A
didn’t; am going to
B
don’t; would
C
don’t; will
D
didn’t; will
Please don’t make so much noise.I     a novel.
#101730
A
writes
B
am writing
C
wrote
D
was writing
--- Why does the lake smell terrible?--- Because large quantities of water _________.
#101273
A
have polluted
B
is being polluted
C
has been polluted
D
have been polluted