单选题
Always
since the creation of celluloid,
plastics
have been found to
have
a
multitude
of industrial and commercial uses.
A.Always B.plastics C.have D.multitude
A
B
C
D
【正确答案】
A
【答案解析】
[解析] always改为ever。ever since自从。
提交答案
关闭