问题
选择题
| —What _____ you ______? —I'm reading a book. |
A. do; do B. are; doing C. are; do D. do; doing |
答案
答案：B
搜题请搜索小程序“爱下问搜题”
| —What _____ you ______? —I'm reading a book. |
A. do; do B. are; doing C. are; do D. do; doing |
答案：B