.---- Mom,I saw some red new mountain bi
题型:选择题
问题:
.---- Mom,I saw some red new mountain bikes in that shop today.
---- Why not buy______?
A.one
B.it
C.that
D.the one
.---- Mom,I saw some red new mountain bikes in that shop today.
---- Why not buy______?
A.one
B.it
C.that
D.the one