问题
选择题
| He was busy writing a story, only _____ once in a while to smoke a cigarette. |
A. to stop B. stopping C. to have stopped D. having stopped |
答案
答案：B
搜题请搜索小程序“爱下问搜题”
| He was busy writing a story, only _____ once in a while to smoke a cigarette. |
A. to stop B. stopping C. to have stopped D. having stopped |
答案：B
平衡