It was ____ the old worker came that we ____ the experiment.
#73098
A
until; didn’t begin
B
not until; began
C
until; began
D
not until; didn’t begin
推荐题目
Nowadays people are more concerned about the environment ________ they live.
#66819
A
what
B
which
C
when
D
where
If we forgave criminals, we might become a society of endless excuses _____ no one accepts responsibility for anything．
#69079
A
which
B
where
C
when
D
as
You’d better wear a pair of comfortable trainers when ________a long walk.
#41330
A
you take
B
taking
C
to take
D
A&B
_______, her hands shook constantly and violently.
#70064
A
Knowing her son killed in the mine
B
When she knew her son was killed in the mine
C
Known her son killed in the mine
D
She knew her son killed in the mine