If there ______ no water, there ______ no life on the earth.
#87991
A
is, would be.
B
was, was.
C
were, would be.
D
were, would have.
推荐题目
—Why didn't you answer my phone when I phoned you at about 11 p. m. yesterday? —I ___________and failed to hear the phone.
#89324
A
might have slept
B
must be sleeping
C
might be sleeping
D
must have been sleeping
When I am tired with math exercises, I go out for a walk to get relaxed.
#87452
A
should
B
must
C
need
D
will
— Thank you so much for saving my son and bringing him home.— Don’t mention it. I only did what anyone else _______ in my place.
#88045
A
must do
B
should do
C
may have done
D
would have done
How I wish I _____ history when I was in university.
#86921
A
study
B
studied
C
would study
D
had studied
—Listen! There is a knock on the door．Who _____ it be?—It must be Jack．Just now I sent for him．
#87583
A
shall
B
can
C
must
D
might