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
推荐题目
All possible means ___ been tried to stop the air______.
#103381
A
has, polluted
B
have, polluting
C
have, being polluted
D
has, being polluted
The manager found that his office ______ the day before.
#102032
A
had broken in
B
has been broken into
C
had been broken into
D
has been broken in
The fact that so many people still smoke in public places ______ we may need a nationwide campaign to raise awareness of the risks of smoking.
#101713
A
suggest
B
suggests
C
suggested
D
suggesting
—I saw Jane and her boyfriend in the park at eight yesterday evening.—Impossible.She _______ TV with me in my home then.
#104066
A
watched
B
had watched
C
would watch
D
was watching
—What's that terrible noise?—The neighbors ________ for a party.
#99161
A
have prepared
B
are preparing
C
prepare
D
will prepare