Jenny usually eats sandwich ________ lunch.[ ]
A. on
B. for
C. in
答案：B
We are going to discuss the way of reading works ____ it is used for real life purposes, and this should give you a better understanding of it.
A．that
B．which
C．where
D．when
羊水过少的羊水量是（）
A.2000ml
B.>2000ml
C.≤1500ml
D.500ml
E.<300ml
