LaszloBiroisconsidered
来源:语文精选馆 1.99W
问题详情:
Laszlo Biro is considered ____ the ball point pen.
A. to invent B. inventing
C. to be inventing D. to have invented
【回答】
D
知识点:其他
题型:选择题
问题详情:
Laszlo Biro is considered ____ the ball point pen.
A. to invent B. inventing
C. to be inventing D. to have invented
【回答】
D
知识点:其他
题型:选择题