By the time he realizes he       into a trap, it’ll be too late for him to do anything about it.
#103233
A
walks
B
walked
C
has walked
D
had walked
推荐题目
Mr. Lin ______ when I go to see him on Sundays. 
#101757
A
is always working
B
was always working
C
always worked
D
has always worked
With more than 200 million views worldwide.the latest video Gangnam Style        very popular since it____________.
#101173
A
has become;was uploaded
B
became;uploaded
C
became,was uploaded
D
has become.is uploaded
---When ______ and visit our exhibition next month ?-- -When _______ , I will let you know . 
#104621
A
will he come ; he will come
B
will he come ; he comes
C
does he come ; he will come
D
does he come ; he comes
I will stay at home and read some books if it ________ tomorrow. 
#101843
A
rain
B
will rain
C
rains
D
is going to rain