The computer         in 1946 in America.
#56319
A
is invented
B
was invented
C
invents
D
invented
推荐题目
There ______ a pen and a map on the desk.
#57461
A
is
B
are
C
has
D
have
Cut up these apples and oranges and then    .
#58960
A
mix it up
B
mix up them
C
mix up it
D
mix them up