Often, when he        something that        him, he wasted his time dozing.
#87771
A
should be doing, gave
B
should have been doing, was given
C
should do, was given
D
should have been doing, had given
推荐题目
The chief editor demanded  that  the  article ________immediately.
#87070
A
must be submitted
B
would be submitted
C
submits
D
be submitted