He﹍﹍the job well, but he so careless.
#87662
A
had done; had been
B
could do; was
C
could have done; was
D
hadn’t done; had been
推荐题目
— It rained cats and dogs this morning. I’m glad we took an umbrella.—Yeah, we would have got wet all over if we _______.
#86867
A
hadn’t
B
haven’t
C
didn’t
D
don’t
You ______ tell Margaret --- I don’t want her to know about this matter .
#87995
A
can’t
B
mustn’t
C
needn’t
D
shouldn’t
If she ________ medicine earlier, she _______ ill now.
#87783
A
takes; won’t be
B
took; wouldn’t be
C
had taken; wouldn’t have been
D
had taken; wouldn’t be
—The research on the new bird flu virus vaccine is challenging and demanding. Who do you think can do the job?—____ my students have a try?
#86806
A
Shall
B
Must
C
Will
D
May
So far no life has been found outside the earth, but while some scientists are actively searching for living things in outer space, others firmly believe there ______.
#87593
A
ustn’t be
B
ay not be
C
an’t be
D
on’t be