---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
----There can be no life on the earth without water. ----That’s right. Water _____ everywhere.
#38677
A
needs
B
is needing
C
is needed
D
needed
—What happened to Jackson?—He________because of his drink-driving.
#37817
A
is caught
B
was caught
C
has caught
D
will be caught
Look at the ______ ! It’s ______ heavily now.
#40121
A
rain, rain
B
raining, raining
C
rain, raining
D
raining, rain
——Did you go to Jack’s birthday party? ——No, I _________.
#39542
A
am not invited
B
wasn’t invited
C
haven’t invited
D
didn’t invite
Mrs Zhang is all her time and energy being a mum right now.
#42608
A
devote; on
B
devoting; on
C
devote; to
D
devoting; to