题干
Believe it or not, no bread eaten by us is so sweet as________earned by our own labour.
A：one
B：that
C：ones
D：those
答案(点此获取答案解析）
B
Believe it or not, no bread eaten by us is so sweet as________earned by our own labour.
A：one
B：that
C：ones
D：those
和
，则… ( )