---when _______the telephone________，do you know?---Yes．In 1876．
#39777
A
was，invented
B
are；invented
C
did；invent
D
had，invented
推荐题目
----- Did you go to Sam's weekend party? ----- No, I ______________.
#38368
A
am not invited
B
wasn't invited
C
haven't invited
D
didn't invite
--Where is your father?---- He _____ Australia and he _____ Sydney for two weeks.
#36541
A
has been to; has been in
B
has gone to; has been in
C
has been in; has been to
D
has gone to; has been to
_____ when the light went on last night?
#37783
A
What were you doing
B
What have you done
C
What did you do
D
How were you doing
Mr. Green ____________ to the manager now. You’d better call him later.
#37703
A
talk
B
talked
C
is talking
D
was talking