Whatever is left over may be put into th
题型:选择题
问题:
Whatever is left over may be put into the refrigerator,________ it will keep for two or three weeks.(2011·安徽)
A.when
B.which
C.where
D.while
Whatever is left over may be put into the refrigerator,________ it will keep for two or three weeks.(2011·安徽)
A.when
B.which
C.where
D.while