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 is strongly suggested that measures _____students to cheat in the exams.
#89428
A
be taken to prevent
B
be taken to forbid
C
are taken to prevent
D
are taken to forbid