---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
Her uncle _________ to the factory .He will be back __________ an hour .
#41856
A
has gone, after
B
has been, in
C
has gone, in
D
has been, after
What do you do when it _____? --- I often stay at home and read books.
#40532
A
raining
B
rain
C
rains
D
is rains
—Did you see Mr. Black just now?—Yes. He ______ his car when I met him.
#42352
A
parked
B
was parking
C
parks
D
will park
—Who her father?—He must by that policeman.
#36943
A
saved; be saved
B
saved; save
C
is saved; be saved
D
save; be save
—I saw Jane and her boyfriend in the park at eight yesterday evening.—Impossible. She ______ TV with me in my home then.
#40313
A
watched
B
had watched
C
would watch
D
was watching