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【单选题】
a rely, he decided to write a sixth letter.
A.
Not receiving
B.
Not to receive
C.
Not having received
D.
not received.
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参考答案：
参考解析：
刷刷题刷刷变学霸
举一反三
【单选题】Bob would have helped us yesterday, but he_______
A.
was busy
B.
is busy
C.
had been busy.
D.
will be busy
【单选题】Driving past the crossroads, I found a little girl ____ on the sidewalk crying. [ ]
A.
lying
B.
laying
C.
to lie
D.
to be lying
【单选题】To learn English well, we should find opportunities to hear English ______ as much as we can. [ ]
A.
speak
B.
speaking
C.
spoken
D.
to speak
【单选题】Without facts,we can't form a correct opinion, for we need to have actual knowledge___________ our thinking. [ ]
A.
which to be based
B.
which to base on
C.
on which to base
D.
where to base on
【单选题】After Tom had finished some paper work, he ______ interviewing the applicants.
A.
starts
B.
had started
C.
started
D.
has started
【单选题】________ is exciting news that she has received a doctor’s degree.
A.
What
B.
It
C.
This
D.
That
【单选题】Professor Li is the person to ____________ you should write.
A.
whom
B.
who
C.
which
D.
whose
【单选题】There are five pairs _______, but I’m at a loss which to choose.
A.
to be chosen
B.
to choose from
C.
to choose
D.
for choosing
【单选题】You____________ television．Why not do something more active?
A.
always watch
B.
are always watching
C.
have always watched
D.
have always been watching