Land animals are believed ______ from sea animals.
#103259
A
to have developed
B
to have been developed
C
having developed
D
having been developed
推荐题目
In order to find the missing child，villagers ________ all they can over the past five hours.(2012·安徽)
#99573
A
did
B
do
C
had done
D
have been doing
Overuse of computers largely to the failure of his eyesight，which is also a warning message for us all．
#101174
A
contributes
B
turns
C
devotes
D
adjusted
It’s reported that many a house ________ by the heavy snow so far in New York.
#99811
A
have been destroyed
B
has been destroyed
C
was destroyed
D
were destroyed
A new Wanda cinema _______ here. They hope to finish it next year.
#99667
A
will be built
B
is built
C
has been built
D
is being built
—The window is dirty.—I know. It ______ for weeks.
#102943
A
hasn’t cleaned
B
didn’t clean
C
wasn’t cleaned
D
hasn’t been cleaned