After Jack had sent some e-mails, heworking on his project.
A. |
had started |
B. |
has started |
C. |
started |
D. |
starts |
相关知识点
推荐试卷
After Jack had sent some e-mails, heworking on his project.
A. |
had started |
B. |
has started |
C. |
started |
D. |
starts |
试题篮
()