关于Hewasdoinghishomewor的百科

• Hewasdoinghishomework

• 问题详情：Hewasdoinghishomework__________heheardthetelephoneringing.A.before     B.after    C.while   D.when【回答】D知识点：连词题型：选择题...
• 2021-01-2910189