After dark, he in the office. [ ] A.went on to work B.went on working C.went on
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![After dark, he in the office. [ ] A.went on to work B.went on working C.went on](/pic/43_953941.jpg)
After dark, he ________ in the office.
[]
A.went on to work
B.went on working
C.went on with working
D.went on with
试题答案
答案:B