问题
选择题
| —What did you do during your summer holiday? —I spent my holiday _____ English in Summer Classes. |
A. improving B. improves C. to improve D. improve |
答案
答案：A
搜题请搜索小程序“爱下问搜题”
| —What did you do during your summer holiday? —I spent my holiday _____ English in Summer Classes. |
A. improving B. improves C. to improve D. improve |
答案：A
，正电荷
，正电荷
，负电荷
，负电荷