问题详情:
________we went to visit Professor Smith, he________his research work.
first time; devoted to ever; was concentrate on
the first time; was busy with D. Each time; was absorbed in
【回答】
D
知识点:连词
题型:选择题
问题详情:
________we went to visit Professor Smith, he________his research work.
first time; devoted to ever; was concentrate on
the first time; was busy with D. Each time; was absorbed in
【回答】
D
知识点:连词
题型:选择题