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
In the first half of the match, Number 52 Middle School _______ us 5-3, but at last our team _______ the match.
#44406
A
beat; win
B
win; beat
C
beat; won
D
won; beat
---Excuse me. I’m looking for Be the Best of Yourself.---Sorry. The book you ask for out.
#44497
A
is selling
B
is sold
C
was selling
D
will be sold
—Mr. Black, may I leave now?—Well, if your work ________, you can go home.
#44700
A
finishes
B
is finished
C
has finished
D
will be finished
Our classroom _____ every day, so it’s very clean.
#44863
A
cleans
B
is cleaning
C
is cleaned
D
cleaned