There ______ some bread and some vegetables on the table. [ ]
A. are
B. is
C. be
D. do
答案:B
Your early establishment of L/C will enable us to ship your order ______ very good time.
A.in B.atC.on D.within
如图,由7个面积不同的长方形组成一个大正方形,大正方形的面积为36平方厘米,求阴影部分的面积()
A.3平方厘米
B.2.4平方厘米
C.2.8平方厘米
D.3.2平方厘米