It is said in the book that Tomas Edison （1847-1931） _______ the world leading inventor for thirty years．
#103208
A
would be
B
has been
C
was
D
had been
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His work was_____by his boss.
#102022
A
high thought
B
high thought of
C
good thought
D
well thought of
A lot of people often forget that oral exams ______ to test our communicative ability．
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A
design
B
are designed
C
are designing
D
are being designed
Every necessary means____ to protect milu deer which____ very valuable to us. As a result, the number of milu deer is increasing.
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A
are used; is
B
is being used; is
C
have been used; are
D
has been used; are
We haven’t seen each other for many years since we last time.
#100115
A
separate
B
separates
C
separated
D
separating
--- Does Li Hua serve in the army?---No, but he________ in the army for three years.
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A
served
B
has served
C
is serving
D
would serve