The letters for the boss________on his desk but he didn’t read them until three days later. (2012·天津，2)
#99425
A
were put
B
was put
C
put
D
has put
推荐题目
It is said in the book that Thomas Edison (1847—1931) ________ the world-leading inventor for sixty years.
#104751
A
would be
B
has been
C
had been
D
was
– These plants ______ lack of water.--- You should have watered them.
#103687
A
died for
B
dead for
C
was killed
D
died
We were listening closely to the lecture yesterday evening when suddenly the light ________.
#101755
A
had been gone out
B
go out
C
was gone out
D
went out
Up to now, he _______ most of the works by Mark Twain.
#102590
A
is reading
B
has read
C
will read
D
reads