I won’t tell the student the answer to the math problem until he on it for more than an hour.
#100166
A
has been working
B
will have worked
C
will have been working
D
had worked
推荐题目
Look at this ! I＿＿＿＿＿some magazines and＿＿＿＿＿＿this letter.
#104651
A
was looking through； found
B
am looking through； find
C
looked through； had found
D
had looked through； finding
—Excuse me, could you spare me some time? —Sorry, I ______ a lecture in the hall in a few minutes.
#100489
A
have given
B
will have given
C
am giving
D
will be giving
With the development of science and technology , more new technology____ to the fields of IT.
#102605
A
has been introducing
B
is being introduced
C
is introduced
D
was introduced
The reporters exposed the corruption (腐败) of several high officials in the government; as a result, they ________ to resign from office.
#104826
A
asked
B
were asked
C
had been asked
D
have asked
Excuse me.I ________ I was blocking your way.
#99576
A
didn't realize
B
don't realize
C
haven't realized
D
wasn't realizing