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
--What happened in that store?-- A thief _____ by the policeman just now.
#44911
A
is caught
B
caught
C
has caught
D
was caught
—Smoking _________in the cinema. Please stop _________. —Sorry, I won’t.
#44571
A
is allowed; smoking
B
allows; to smoke
C
isn’t allowed; smoking
D
isn’t allowed; to smoke
More and more people are using iPhone _________ by Steve Jobs to connect with others.
#44814
A
create
B
creates
C
creating
D
created
Excuse me. When can we play badminton at the court? Not until it _______ next week.
#44835
A
repairs
B
will repair
C
is repaired
D
will be repaired