Nowadays China for its new "four great inventions"-shared bicycles, electronic payments, high-speed railways and online shopping.( )
A. |
was knowing |
B. |
was known |
C. |
is knowing |
D. |
is known |
Nowadays China for its new "four great inventions"-shared bicycles, electronic payments, high-speed railways and online shopping.( )
A. |
was knowing |
B. |
was known |
C. |
is knowing |
D. |
is known |
试题篮
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