Mr.Smith knows a lot about China he has never been to our country.( )
A. |
although |
B. |
until |
C. |
if |
D. |
since |
Mr.Smith knows a lot about China he has never been to our country.( )
A. |
although |
B. |
until |
C. |
if |
D. |
since |
试题篮
()