.Despite UNICEF’s efforts, dirty water ______ for disease spreading in southern Iraq at the very moment.
#103783
A
is to be blamed
B
is being blamed
C
has been blamed
D
was blamed
推荐题目
When he was alive, the old scientist used to say that knowledge ＿＿from practice and he gained his experience by doing a lot of practical work.
#104398
A
was coming
B
had come
C
comes
D
would come
The young man，who by then ___ admission to university，decided to do some part-time jobs to gain more practical experience．
#100177
A
gained
B
was gaining
C
has gained
D
had gained
—You seemed not to be interested in the story yesterday.—Yes. I it in a magazine before.
#102872
A
read
B
was reading
C
have read
D
had read
He is too careless and he _______ keys.
#104138
A
always lost
B
always loses
C
is always losing
D
will always lose
Our earth is getting warmer and warmer. It is time for us to_____ the emission(排放) of CO2.
#99319
A
break down
B
cut in
C
cut down
D
cut off