A.for
B.on
C.in
D.with
[单选题]根据以下材料,回答As with spoken language, writtenlanguage is always used for a purp
[单选题]根据以下材料,回答As with spoken language, writtenlanguage is always used for a purp
[单选题]根据以下材料,回答As with spoken language, writtenlanguage is always used for a purp
[单选题]根据以下材料,回答As with spoken language, writtenlanguage is always used for a purp
[单选题]根据以下材料,回答As with spoken language, writtenlanguage is always used for a purp
[单选题]根据以下材料,回答As with spoken language, writtenlanguage is always used for a purp
[单选题]根据以下材料,回答As with spoken language, writtenlanguage is always used for a purp
[单选题]根据以下材料,回答As with spoken language, writtenlanguage is always used for a purp
[单选题]根据以下材料,回答As with spoken language, writtenlanguage is always used for a purp
[单选题]根据以下材料,回答As with spoken language, writtenlanguage is always used for a purp