Personal computers ______ in 1976. It has changed the whole world.
#44711
A
have invented
B
were invented
C
is invented
D
invented
推荐题目
Chinese ______by the largest number of people in the world now.
#44672
A
is spoken
B
is speaking
C
speaks
D
spoke
The Eiffel Tower __________ for the 1889 Paris Expo. It is a symbol of the city now.
#44875
A
built
B
was built
C
has built
D
was building
You _________ such clothes because you are still a student.
#44637
A
aren’t allowed to wearing
B
aren’t allowed to wear
C
aren’t allowed wearing
D
don’t allow to wear
I won’t leave the classroom until my homework .
#44900
A
finishes
B
is finished
C
will finish
D
are finished