We have done things we ought not to have done and ________ undone things we ought to have done.
#104516
A
left
B
leave
C
will leave
D
leaving
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Afetr dinner he gave Mr. Richardson ________ride to ________Capital Airport.
#99276
A
the, a
B
a the
C
/, a
D
/, the
China _______________a high-speed railway network covering almost all its cities with a population of of more than 500，000 by 2015．
#99872
A
is setting up
B
will set up
C
has set up
D
will have set up
—He _______ to the meeting. Have you informed him of it?—Sorry. I ________to.
#104933
A
hasn’t come; am going
B
didn’t come; have forgotten
C
hasn’t come; forgot
D
doesn’t come; will have
―What’s the matter? You look worried and restless.―Oh, nothing really serious. As a matter of fact, I ______ of my graduation thesis. I have to hand it in soon.
#104500
A
am just thinking
B
just thought
C
have just thought
D
was just thinking
—Have you handed in your school-work yet? —Yes, I have. I guess it now.
#100106
A
has graded
B
is graded
C
is being graded
D
is grading